APA (7th ed.) Citation

Sanchez, C. A., Abad, P. F., & Jao, L. V. (1989). Introduction to the humanities. Rex Bookstore.

Chicago Style (17th ed.) Citation

Sanchez, Custodiosa A., Paz F. Abad, and Loreto V. Jao. Introduction to the Humanities. Manila: Rex Bookstore, 1989.

MLA (8th ed.) Citation

Sanchez, Custodiosa A., et al. Introduction to the Humanities. Rex Bookstore, 1989.