APA
Perry M., Peden J. R., Von Laue T. H. & Bock G. (1991). Sources of the Western tradition. Boston ; Dallas ; Geneva ; Palo Alto: Houghton Mifflin Company.
Chicago
Perry Marvin, Peden Joseph R, Von Laue Theodore H and Bock G.W. 1991. Sources of the Western tradition. Boston ; Dallas ; Geneva ; Palo Alto: Houghton Mifflin Company.
Harvard
Perry M., Peden J. R., Von Laue T. H. and Bock G. (1991). Sources of the Western tradition. Boston ; Dallas ; Geneva ; Palo Alto: Houghton Mifflin Company.
MLA
Perry Marvin, Peden Joseph R, Von Laue Theodore H and Bock G.W. Sources of the Western tradition. Boston ; Dallas ; Geneva ; Palo Alto: Houghton Mifflin Company. 1991.
