APA (7th ed.) Citation

Péron, J. Y., & Welles, G. W. H. (1989). First international symposium on diversification of vegetable crops. ISHS.

Chicago Style (17th ed.) Citation

Péron, J. Y., and G. W. H. Welles. First International Symposium on Diversification of Vegetable Crops. Wageningen: ISHS, 1989.

MLA (9th ed.) Citation

Péron, J. Y., and G. W. H. Welles. First International Symposium on Diversification of Vegetable Crops. ISHS, 1989.