APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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