APA (7th ed.) Citation

Sammons, R. L. (1964). The Philippines: A world-of difference. Philippine Tourist and Travel Association.

Chicago Style (17th ed.) Citation

Sammons, Robert Lee. The Philippines: A World-of Difference. [Manila: Philippine Tourist and Travel Association, 1964.

MLA (9th ed.) Citation

Sammons, Robert Lee. The Philippines: A World-of Difference. Philippine Tourist and Travel Association, 1964.

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