APA (7th ed.) Citation

BASIC GEOGRAPHY & GUTIERREZ, D. J. O. (1998). Basic Geography. JMC Press.

Chicago Style (17th ed.) Citation

BASIC GEOGRAPHY and Darlene J. Occeña GUTIERREZ. Basic Geography. Quezon City: JMC Press, 1998.

MLA (9th ed.) Citation

BASIC GEOGRAPHY and Darlene J. Occeña GUTIERREZ. Basic Geography. JMC Press, 1998.