APA (7th ed.) Citation

Zulueta, F. M., Costales, N. E. B., & Luaton, A. S. (2000). Philosophy made easy. National Book Store.

Chicago Style (17th ed.) Citation

Zulueta, Francisco M., Nestor Edilberto B. Costales, and Artemio S. Luaton. Philosophy Made Easy. Mandaluyong City: National Book Store, 2000.

MLA (9th ed.) Citation

Zulueta, Francisco M., et al. Philosophy Made Easy. National Book Store, 2000.