Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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