APA (7th ed.) Citation

Onagan, L. O., Simañgan, J. T., & Esguerra, M. S. (1977). Cooperatives: Principles and practices (1977 ed.). National Bookstore.

Chicago Style (17th ed.) Citation

Onagan, Lino O., José T. Simañgan, and Mateo S. Esguerra. Cooperatives: Principles and Practices. 1977 ed. Manila: National Bookstore, 1977.

MLA (9th ed.) Citation

Onagan, Lino O., et al. Cooperatives: Principles and Practices. 1977 ed. National Bookstore, 1977.