Cita APA (7a ed.)

Heald, F. D. (1937). Introduction to Plant Pathology. McGraw-Hill Book Co..

Cita Chicago Style (17a ed.)

Heald, Frederick Deforest. Introduction to Plant Pathology. New York: McGraw-Hill Book Co., 1937.

Cita MLA (8a ed.)

Heald, Frederick Deforest. Introduction to Plant Pathology. McGraw-Hill Book Co., 1937.