APA
Cravens R. H., . (1977). Pests and diseases. Alexandria: Time-Life Books.
Chicago
Cravens Richard H, . 1977. Pests and diseases. Alexandria: Time-Life Books.
Harvard
Cravens R. H., . (1977). Pests and diseases. Alexandria: Time-Life Books.
MLA
Cravens Richard H, . Pests and diseases. Alexandria: Time-Life Books. 1977.