APA (7th ed.) Citation

Castle, W. E., & Mendel, G. (1921). Genetics and eugenics: A text-book for students of biology and a reference book for animal and plant breeders ([2d ed.].). Harvard University Press.

Chicago Style (17th ed.) Citation

Castle, William E., and Gregor Mendel. Genetics and Eugenics: A Text-book for Students of Biology and a Reference Book for Animal and Plant Breeders. [2d ed.]. Cambridge: Harvard University Press, 1921.

MLA (9th ed.) Citation

Castle, William E., and Gregor Mendel. Genetics and Eugenics: A Text-book for Students of Biology and a Reference Book for Animal and Plant Breeders. [2d ed.]. Harvard University Press, 1921.