APA (7th ed.) Citation

Greenhalgh, P. (1979). The market for culinary herbs. Tropical Products Institute.

Chicago Style (17th ed.) Citation

Greenhalgh, Peter. The Market for Culinary Herbs. London: Tropical Products Institute, 1979.

MLA (9th ed.) Citation

Greenhalgh, Peter. The Market for Culinary Herbs. Tropical Products Institute, 1979.