APA (7th ed.) Citation

Castellanos, R. (1960). The nine guardians. Vanguard Press.

Chicago Style (17th ed.) Citation

Castellanos, Rosario. The Nine Guardians. N.Y.: Vanguard Press, 1960.

MLA (8th ed.) Citation

Castellanos, Rosario. The Nine Guardians. Vanguard Press, 1960.

Warning: These citations may not always be 100% accurate.