Cita APA (7th ed.)

Pourade, R. F. (1961). Time of the bells (1a. ed.). The Union-Tribune.

Cita Chicago (17th ed.)

Pourade, Richard F. Time of the Bells. 1a. ed. San Diego: The Union-Tribune, 1961.

Cita MLA (9th ed.)

Pourade, Richard F. Time of the Bells. 1a. ed. The Union-Tribune, 1961.