APA (7e ed.) Bronvermelding

Coon, N. (1977). The dictionary of useful plants. Rodale Press.

Chicago (17e ed.) Bronvermelding

Coon, Nelson. The Dictionary of Useful Plants. Emmaus: Rodale Press, 1977.

MLA (9e ed.) Bronvermelding

Coon, Nelson. The Dictionary of Useful Plants. Rodale Press, 1977.