Pathogenic micro-organisms;
a text-book of microbiology for physicians and students of medicine,
by Ward J. MacNeal ... (Based upon Williams' bacteriology) with 221 illustrations.

APA Citation

MacNeal, W. J., Williams, H. Upham. (1920). Pathogenic micro-organisms: a text-book of microbiology for physicians and students of medicine. 2d ed., rev. and enl. Philadelphia: P. Blakiston's son & co.

MLA Citation

MacNeal, Ward J., 1881-, and Herbert Upham Williams. Pathogenic Micro-organisms: a Text-book of Microbiology for Physicians And Students of Medicine. 2d ed., rev. and enl. Philadelphia: P. Blakiston's son & co, 1920.

Warning: These citations may not always be complete (especially for serials).