APA (7th ed.) Citation

Collas, J. (1960). Rizal's retractions. s.n.

Chicago Style (17th ed.) Citation

Collas, Juan. Rizal's Retractions. [Manila: s.n, 1960.

MLA (9th ed.) Citation

Collas, Juan. Rizal's Retractions. s.n, 1960.