Cita APA

Smith, D. S., & Smith, D. S. (1972). Muscle. New York, New York: Academic.

Citación estilo Chicago

Smith, David Spencer, y David Spencer Smith. Muscle. New York, New York: Academic, 1972.

Cita MLA

Smith, David Spencer, y David Spencer Smith. Muscle. New York, New York: Academic, 1972.