Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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