APA (7th ed.) Citation

Madrigal, A. M., Martinez, P. S., & Mendoza, E. T. (1985). Hablamos. National Book Store.

Chicago Style (17th ed.) Citation

Madrigal, Ana Maria, Pacita S. Martinez, and Edgardo Tiamson Mendoza. Hablamos. Metro Manila: National Book Store, 1985.

MLA (9th ed.) Citation

Madrigal, Ana Maria, et al. Hablamos. National Book Store, 1985.