APA (7th ed.) Citation

Sylvester, E. S., & Severin, H. H. P. (1955). Virus diseases of Californis sugar beets. Univ. of California.

Chicago Style (17th ed.) Citation

Sylvester, Edward S., and H. H. P. Severin. Virus Diseases of Californis Sugar Beets. California: Univ. of California, 1955.

MLA (9th ed.) Citation

Sylvester, Edward S., and H. H. P. Severin. Virus Diseases of Californis Sugar Beets. Univ. of California, 1955.