APA (7th ed.) Citation

Sammons, R. L. (1965). The Philippines: A world of difference (2nd ed.). Philippine Tourist & Travel Asso.

Chicago Style (17th ed.) Citation

Sammons, Robert L. The Philippines: A World of Difference. 2nd ed. Manila: Philippine Tourist & Travel Asso, 1965.

MLA (9th ed.) Citation

Sammons, Robert L. The Philippines: A World of Difference. 2nd ed. Philippine Tourist & Travel Asso, 1965.

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