APA (7th ed.) Citation

Gaerlan, J. E., Limpingco, D. A., & Tria, G. E. (1989). Principles of mental hygiene (3rd ed.). KEN.

Chicago Style (17th ed.) Citation

Gaerlan, Josefina E., Delia A. Limpingco, and Geraldine E. Tria. Principles of Mental Hygiene. 3rd ed. Quezon City: KEN, 1989.

MLA (9th ed.) Citation

Gaerlan, Josefina E., et al. Principles of Mental Hygiene. 3rd ed. KEN, 1989.