APA Style

(“W. S.”) Bullough, W. (950 (1st), with late). Practical Invertebrate Anatomy (1st edition: 1950, Macmillan & Co., London/New Yor). London; New York: Macmillan & Co., London & New York, 1950 ebay.com 12 nature.com 12 ui.adsabs.harvard.edu 12 Rep.

MLA Style

(“W. S.”) Bullough, William Sydney. "Practical Invertebrate Anatomy". 1st edition: 1950, Macmillan & Co., London/New Yor London; New York: Macmillan & Co., London & New York, 1950 ebay.com 12 nature.com 12 ui.adsabs.harvard.edu 12 Rep, 950 (1st), with late. Text.