APA (7th ed.) Citation

Eipper, P., & Martens, F. H. (1930). Human children. The Viking press.

Chicago Style (17th ed.) Citation

Eipper, Paul, and Frederick Herman Martens. Human Children. New York: The Viking press, 1930.

MLA (9th ed.) Citation

Eipper, Paul, and Frederick Herman Martens. Human Children. The Viking press, 1930.