APA (7th ed.) Citation

Caltex (Philippines) & De Los Reyes, M. M. (1951). Caltex Philippines touring guide (45th ed.). Caltex (Philippines).

Chicago Style (17th ed.) Citation

Caltex (Philippines) and M. M. De Los Reyes. Caltex Philippines Touring Guide. 45th ed. [Quezon City]: Caltex (Philippines), 1951.

MLA (9th ed.) Citation

Caltex (Philippines) and M. M. De Los Reyes. Caltex Philippines Touring Guide. 45th ed. Caltex (Philippines), 1951.