Documentation styles : (1 )APA: for psychology ,education ,and other social sciences. (2 )MLA :most commonly used to write papers and cite sources within the liberal arts and humanities. (3 )Chicago :used with all subjects by books , magazine ,newspapers ,and other non-scholarly publications. (4 )AMA: for medicine ,health ,and biological science.Format of APA style bibliography Basic format for books Author, A.A. (Year of publication ). Title of work : Capital letter also for subtitle . Location