APA
Castner J. L., Timme S. L. & Duke J. A. (1998). A field guide to medicinal and useful plants of the upper Amazon. Gainesville, FL: Feline Press.
Chicago
Castner James L, Timme Stephen L and Duke James Alan. 1998. A field guide to medicinal and useful plants of the upper Amazon. Gainesville, FL: Feline Press.
Harvard
Castner J. L., Timme S. L. and Duke J. A. (1998). A field guide to medicinal and useful plants of the upper Amazon. Gainesville, FL: Feline Press.
MLA
Castner James L, Timme Stephen L and Duke James Alan. A field guide to medicinal and useful plants of the upper Amazon. Gainesville, FL: Feline Press. 1998.