APA

Erdman H. E., . (1921). The marketing of whole milk. New York: Macmillan.

Chicago

Erdman Henry E, . 1921. The marketing of whole milk. New York: Macmillan.

Harvard

Erdman H. E., . (1921). The marketing of whole milk. New York: Macmillan.

MLA

Erdman Henry E, . The marketing of whole milk. New York: Macmillan. 1921.