APA (7th ed.) Citation

Chen, P. S., & Chen, H. D. (1957). Soybeans: For health, longevity and economy (2. print.). The chemical elements.

Chicago Style (17th ed.) Citation

Chen, Philip S., and Helen D. Chen. Soybeans: For Health, Longevity and Economy. 2. print. South Lancaster: The chemical elements, 1957.

MLA (9th ed.) Citation

Chen, Philip S., and Helen D. Chen. Soybeans: For Health, Longevity and Economy. 2. print. The chemical elements, 1957.