APA (7th ed.) Citation

Cobley, L. S., & Steele, W. M. (1976). An introduction to the botany of tropical crops (2nd ed. pub. for ELBS.). English Language Book Society and Longman.

Chicago Style (17th ed.) Citation

Cobley, Leslie S., and W. M. Steele. An Introduction to the Botany of Tropical Crops. 2nd ed. pub. for ELBS. London: English Language Book Society and Longman, 1976.

MLA (9th ed.) Citation

Cobley, Leslie S., and W. M. Steele. An Introduction to the Botany of Tropical Crops. 2nd ed. pub. for ELBS. English Language Book Society and Longman, 1976.