Cita APA (7a ed.)

Rizal, J., & Collas, J. (1957). Rizal's unknown writings. Bookman.

Cita Chicago Style (17a ed.)

Rizal, Jose, y Juan Collas. Rizal's Unknown Writings. Manila: Bookman, 1957.

Cita MLA (9a ed.)

Rizal, Jose, y Juan Collas. Rizal's Unknown Writings. Bookman, 1957.