APA

Walden D. B., . (1978). Maize breeding and genetics. New York: John Wiley & Sons.

Chicago

Walden David B, . 1978. Maize breeding and genetics. New York: John Wiley & Sons.

Harvard

Walden D. B., . (1978). Maize breeding and genetics. New York: John Wiley & Sons.

MLA

Walden David B, . Maize breeding and genetics. New York: John Wiley & Sons. 1978.