Cita APA (7a ed.)

Heald , F. D. (1933). Manual of plant diseases (2nd edition.). McGraw Hill.

Cita Chicago Style (17a ed.)

Heald , Frederick Deforest. Manual of Plant Diseases. 2nd edition. London: McGraw Hill, 1933.

Cita MLA (8a ed.)

Heald , Frederick Deforest. Manual of Plant Diseases. 2nd edition. McGraw Hill, 1933.