% arara: pdflatex: { shell: yes }
% arara: biber
% arara: pdflatex: { shell: yes }
% arara: pdflatex: { shell: yes }
documentclass{article}
usepackage{filecontents}
begin{filecontents}{jobname.bib}
@book{ALEXANDER1977apl,
    Address = {USA},
    Author = {Alexander, Christopher and Ishikawa, Sara and Silverstein, Murray},
    Date-Added = {2010-02-24 11:14:54 +1100},
    Date-Modified = {2010-06-01 12:10:48 +1000},
    Publisher = {{Oxford University Press}},
    Title = {{A Pattern Language: Towns, Buildings, Construction}},
    Year = {1977}}
end{filecontents}
usepackage[indexing=cite,style=authoryear,citestyle=authoryear,sorting=none,maxnames=1]{biblatex}
makeatletter
AtEveryCite{%
  %letparentext=parentexttrack%
  letbibopenparen=bibopenbracket%
  letbibcloseparen=bibclosebracket}
makeatother
addbibresource{jobname.bib}
begin{document}
textcite[pp 45]{ALEXANDER1977apl}
end{document}

renewcommand{mkbibnamelast}[1]{mkbibemph{#1}}

documentclass{article}
usepackage{filecontents}
begin{filecontents}{jobname.bib}
@book{ALEXANDER1977apl,
    Address = {USA},
    Author = {Alexander, Christopher and Ishikawa, Sara and Silverstein, Murray},
    Date-Added = {2010-02-24 11:14:54 +1100},
    Date-Modified = {2010-06-01 12:10:48 +1000},
    Publisher = {{Oxford University Press}},
    Title = {{A Pattern Language: Towns, Buildings, Construction}},
    Year = {1977}}
end{filecontents}
usepackage[backend=bibtex,indexing=cite,style=authoryear,citestyle=authoryear,sorting=none,maxnames=1]{biblatex}
makeatletter
AtEveryCite{%
  letbibopenparen=bibopenbracket%
  letbibcloseparen=bibclosebracket}
makeatother
addbibresource{jobname.bib}

% Renew formatting of the last name to add emphasis
renewcommand{mkbibnamelast}[1]{mkbibemph{#1}}
% Revert formatting of the last name for bibliography
AtBeginBibliography{renewcommand{mkbibnamelast}[1]{#1}}

begin{document}


noindent Text citation: textcite[pp 45]{ALEXANDER1977apl}

printbibliography

end{document}