APA

Whetzel H. H., Hesler L. R., Gregory C. T. & Rankin W. H. (2005). Laboratory outlines in plant pathology / Whetzel, H. H. Philadelphia: Saunders Cpmpany.

Chicago

Whetzel H H, Hesler Lex R, Gregory Chas T and Rankin W Howard. 2005. Laboratory outlines in plant pathology / Whetzel, H. H. Philadelphia: Saunders Cpmpany.

Harvard

Whetzel H. H., Hesler L. R., Gregory C. T. and Rankin W. H. (2005). Laboratory outlines in plant pathology / Whetzel, H. H. Philadelphia: Saunders Cpmpany.

MLA

Whetzel H H, Hesler Lex R, Gregory Chas T and Rankin W Howard. Laboratory outlines in plant pathology / Whetzel, H. H. Philadelphia: Saunders Cpmpany. 2005.