APA

Dunn L. C., Singleton W. R., . (1951). Genetics in the 20th century : essays on the progress of genetics during its first 50 years. New York: Macmillan.

Chicago

Dunn L C, Singleton W R, . 1951. Genetics in the 20th century : essays on the progress of genetics during its first 50 years. New York: Macmillan.

Harvard

Dunn L. C., Singleton W. R., . (1951). Genetics in the 20th century : essays on the progress of genetics during its first 50 years. New York: Macmillan.

MLA

Dunn L C, Singleton W R, . Genetics in the 20th century : essays on the progress of genetics during its first 50 years. New York: Macmillan. 1951.