APA (7th ed.) Citation

Hanson, E. W., & Christensen, J. J. (1953). The black point disease of wheat in the United States. Univ.

Chicago Style (17th ed.) Citation

Hanson, E. W., and Jonas J. Christensen. The Black Point Disease of Wheat in the United States. Saint Paul, Minn. [u.a.]: Univ, 1953.

MLA (9th ed.) Citation

Hanson, E. W., and Jonas J. Christensen. The Black Point Disease of Wheat in the United States. Univ, 1953.