APA
Zitter T. A., Hopkins D. L. & Thomas C. E. (1996). Compendium of cucurbit diseases. St. Paul: APS Press.
Chicago
Zitter Thomas A, Hopkins Donald L and Thomas Claude E. 1996. Compendium of cucurbit diseases. St. Paul: APS Press.
Harvard
Zitter T. A., Hopkins D. L. and Thomas C. E. (1996). Compendium of cucurbit diseases. St. Paul: APS Press.
MLA
Zitter Thomas A, Hopkins Donald L and Thomas Claude E. Compendium of cucurbit diseases. St. Paul: APS Press. 1996.