Cita APA (7a ed.)

Butts, D. P., Lee, A. E., & Tatchell, M. (1967). The story of chocolate. Steck-Vaughn.

Cita Chicago Style (17a ed.)

Butts, David P., Addison E. Lee, y Mac Tatchell. The Story of Chocolate. Austin, TX: Steck-Vaughn, 1967.

Cita MLA (9a ed.)

Butts, David P., et al. The Story of Chocolate. Steck-Vaughn, 1967.