APA (7th ed.) Citation

Crooker, R. A. (1986). Opium production in North Thailand: A geographical perspective. University of California.

Chicago Style (17th ed.) Citation

Crooker, Richard Allen. Opium Production in North Thailand: A Geographical Perspective. Riverside, Calif.: University of California, 1986.

MLA (8th ed.) Citation

Crooker, Richard Allen. Opium Production in North Thailand: A Geographical Perspective. University of California, 1986.

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