Cita APA (7th ed.)

Kelly, E., & Clement, C. E. (1923). Market milk. John Wiley.

Cita Chicago (17th ed.)

Kelly, Ernest, i Clarence E. Clement. Market Milk. Nueva York: John Wiley, 1923.

Cita MLA (9th ed.)

Kelly, Ernest, i Clarence E. Clement. Market Milk. John Wiley, 1923.