APA (7th ed.) Citation

Tan, John John A., & Aton, C. C. (2003). Map of Metro Manila (2003 ed.). John John A. Tan.

Chicago Style (17th ed.) Citation

Tan, John John A., and Claudette C. Aton. Map of Metro Manila. 2003 ed. Cebu City: John John A. Tan, 2003.

MLA (9th ed.) Citation

Tan, John John A., and Claudette C. Aton. Map of Metro Manila. 2003 ed. John John A. Tan, 2003.