Cita APA (7a ed.)

Sanger, G., & Grahame, K. (1956). Seventy years a showman. J.M. Dent & sons.

Cita Chicago Style (17a ed.)

Sanger, George, y Kenneth Grahame. Seventy Years a Showman. London: J.M. Dent & sons, 1956.

Cita MLA (9a ed.)

Sanger, George, y Kenneth Grahame. Seventy Years a Showman. J.M. Dent & sons, 1956.