APA (7th ed.) Citation
Geerts, S. J. (1963). Genetics today. Pergamon press and MacMillan.
Chicago Style (17th ed.) Citation
Geerts, Sipke Johannes. Genetics Today. New York: Pergamon press and MacMillan, 1963.
MLA (9th ed.) Citation
Geerts, Sipke Johannes. Genetics Today. Pergamon press and MacMillan, 1963.
Warning: These citations may not always be 100% accurate.