APA (7th ed.) Citation

Kugler, H. G. (1961). Geological map of Trinidad. Petroleum Association of Trinidad.

Chicago Style (17th ed.) Citation

Kugler, H. G. Geological Map of Trinidad. Trinidad: Petroleum Association of Trinidad, 1961.

MLA (9th ed.) Citation

Kugler, H. G. Geological Map of Trinidad. Petroleum Association of Trinidad, 1961.

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