APA (7th ed.) Citation

Tan, John John A., & Aton, C. C. (2005). Political & geographical map of the Philippines (2005 ed.). John John A. Tan.

Chicago Style (17th ed.) Citation

Tan, John John A., and Claudette C. Aton. Political & Geographical Map of the Philippines. 2005 ed. Cebu City: John John A. Tan, 2005.

MLA (9th ed.) Citation

Tan, John John A., and Claudette C. Aton. Political & Geographical Map of the Philippines. 2005 ed. John John A. Tan, 2005.