APA aipamena

Catapusan, B. T., & Catapusan, F. E. D. (1953). Sociology (2nd ed.). [s.n.].

Chicago Style aipamena

Catapusan, Benicio T., and Flora E. Diaz Catapusan. Sociology. 2nd ed. Manila: [s.n.], 1953.

MLA aipamena

Catapusan, Benicio T., and Flora E. Diaz Catapusan. Sociology. 2nd ed. [s.n.], 1953.