APA

Clausen R. E., Babcock E. B., . (1927). Genetics in relation to agriculture. New York: Mcgraw-Hill Book Company.

Chicago

Clausen Roy Elwood, Babcock Ernest Brown, . 1927. Genetics in relation to agriculture. New York: Mcgraw-Hill Book Company.

Harvard

Clausen R. E., Babcock E. B., . (1927). Genetics in relation to agriculture. New York: Mcgraw-Hill Book Company.

MLA

Clausen Roy Elwood, Babcock Ernest Brown, . Genetics in relation to agriculture. New York: Mcgraw-Hill Book Company. 1927.