APA (7th ed.) Citation

Onagan, L. D., Esguerra, M. S., & Simangan, J. T. (1977). Cooperatives: Principles and practices (1977 ed.). National Book Store.

Chicago Style (17th ed.) Citation

Onagan, Lino D., Mateo S. Esguerra, and Jose T. Simangan. Cooperatives: Principles and Practices. 1977 ed. Manila: National Book Store, 1977.

MLA (9th ed.) Citation

Onagan, Lino D., et al. Cooperatives: Principles and Practices. 1977 ed. National Book Store, 1977.