APA (7th ed.) Citation

Boff, C., Orpilla, D. R., & San Diego, T. C. (1988). How to work with people (English ed.). Claretian Publications.

Chicago Style (17th ed.) Citation

Boff, Clodovis, Daniel R. Orpilla, and Tessa Cruz San Diego. How to Work with People. English ed. Quezon City: Claretian Publications, 1988.

MLA (9th ed.) Citation

Boff, Clodovis, et al. How to Work with People. English ed. Claretian Publications, 1988.