APA (7th ed.) Citation

Heald, F. D. F. 1. (1926). Manuals of plant diseases. McGraw-Hill book company.

Chicago Style (17th ed.) Citation

Heald, Frederick De Forest 1872. Manuals of Plant Diseases. New York: McGraw-Hill book company, 1926.

MLA (9th ed.) Citation

Heald, Frederick De Forest 1872. Manuals of Plant Diseases. McGraw-Hill book company, 1926.