APA (7th ed.) Citation

Tungol, M., & Tungol, M. (1996). Philippine geography made easy. Merriam & Webster.

Chicago Style (17th ed.) Citation

Tungol, Mario, and Millena Tungol. Philippine Geography Made Easy. Manila: Merriam & Webster, 1996.

MLA (9th ed.) Citation

Tungol, Mario, and Millena Tungol. Philippine Geography Made Easy. Merriam & Webster, 1996.

Warning: These citations may not always be 100% accurate.