APA (7th ed.) Citation

Santos, R. E., & Baylen, T. (1951). Paraluman. [publisher not identified].

Chicago Style (17th ed.) Citation

Santos, Rosendo E., and Teo Baylen. Paraluman. [Place of production not identified]: [publisher not identified], 1951.

MLA (9th ed.) Citation

Santos, Rosendo E., and Teo Baylen. Paraluman. [publisher not identified], 1951.