<?php

$format = get_post_format();
$format = ! empty( $format ) ? $format : 'default';

if ( isset( $post->post_type ) ) {
    switch( $post->post_type ) {
        case 'post' :
            get_template_part( 'post', $format );
            break;
        case 'page' :
            get_template_part( 'post', 'page' );
            break;
        case 'mfields_bookmark' :
            get_template_part( 'post', 'bookmark' );
            break;
        default :
            get_template_part( 'post' );
            break;
    }
}
?>