APA (7th ed.) Citation

Weischet, W., & Caviedes, C. (1993). The persisting ecological constraints of tropical agriculture. Longman Scientific and Technical.

Chicago Style (17th ed.) Citation

Weischet, Wolfgang, and Cesar Caviedes. The Persisting Ecological Constraints of Tropical Agriculture. Essex: Longman Scientific and Technical, 1993.

MLA (9th ed.) Citation

Weischet, Wolfgang, and Cesar Caviedes. The Persisting Ecological Constraints of Tropical Agriculture. Longman Scientific and Technical, 1993.