APA (7th ed.) Citation

Christensen, J. J. (1963). Corn smut caused by Ustilago maydis. American Phytopathological Society.

Chicago Style (17th ed.) Citation

Christensen, J. J. Corn Smut Caused by Ustilago Maydis. St. Paul: American Phytopathological Society, 1963.

MLA (8th ed.) Citation

Christensen, J. J. Corn Smut Caused by Ustilago Maydis. American Phytopathological Society, 1963.