RequirePackage{filecontents}
begin{filecontents}{jobname.bib}
@Article{asmz,
  author  = {Hans Zimmer},
  title   = {Minimal music},
  journal = {Some journal},
  year    = {2013},
  number  = {12},
  pages   = {40-41},
}

end{filecontents}

documentclass{article}
usepackage[style=authortitle,]{biblatex}

DeclareFieldFormat[article]{title}{mkbibquote{#1isdot}}
renewbibmacro{in:}{}

addbibresource{jobname.bib}
begin{document}
Let's cite! footcite{asmz}
printbibliography
end{document}

RequirePackage{filecontents}
begin{filecontents}{jobname.bib}
@Article{asmz,
  author  = {Hans Zimmer},
  title   = {Minimal music},
  journal = {Some journal},
  year    = {2013},
  number  = {12},
  pages   = {40-41},
}

end{filecontents}

documentclass{article}
usepackage[style=authortitle]{biblatex}
usepackage[ngerman]{babel}
usepackage{csquotes}

DeclareFieldFormat[article]{title}{mkbibquote{#1isdot}}
renewbibmacro{in:}{}

renewbibmacro*{journal+issuetitle}{%
  usebibmacro{journal}%
  setunit*{addcommaspace}%
  printtext{%
    printfield{issue}%
    setunit*{addspace}%
    usebibmacro{date}}%
  setunit{addcommaspace}%
  iffieldundef{series}
    {}
    {newunit
     printfield{series}%
     setunit{addspace}}%
  printfield{volume}%
  setunit{addcommaspace}%
  printfield{number}%
  setunit{addcommaspace}%
  printfield{eid}%
  setunit{addcolonspace}%
  usebibmacro{issue}%
  newunit}

DeclareFieldFormat[article,periodical]{volume}{bibstring{volume}~#1}
DeclareFieldFormat[article,periodical]{number}{bibstring{number}~#1}

addbibresource{jobname.bib}
begin{document}
Let's cite! footcite{asmz}
printbibliography
end{document}