APA (7th ed.) Citation

Riley, D., & Young, A. (1966). World vegetation. Cambridge U.P..

Chicago Style (17th ed.) Citation

Riley, Denis, and Anthony Young. World Vegetation. London: Cambridge U.P., 1966.

MLA (8th ed.) Citation

Riley, Denis, and Anthony Young. World Vegetation. Cambridge U.P., 1966.

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