APA (7th ed.) Citation

Gibbon, D., & Pain, A. (1985). Crops of the drier regions of the tropics (1. publ.). Longman.

Chicago Style (17th ed.) Citation

Gibbon, David, and Adam Pain. Crops of the Drier Regions of the Tropics. 1. publ. London[u.a.]: Longman, 1985.

MLA (9th ed.) Citation

Gibbon, David, and Adam Pain. Crops of the Drier Regions of the Tropics. 1. publ. Longman, 1985.