APA (7th ed.) Citation

Jansen, G. R., & Howe, E. E. (1964). World problems in protein nutrition. American Journal of Clinical Nutrition, 15, 262.

Chicago Style (17th ed.) Citation

Jansen, G. R., and E. E. Howe. "World Problems in Protein Nutrition." American Journal of Clinical Nutrition 15 (1964): 262.

MLA (9th ed.) Citation

Jansen, G. R., and E. E. Howe. "World Problems in Protein Nutrition." American Journal of Clinical Nutrition, vol. 15, 1964, p. 262.