APA

Witton C. J., Young G. G., . (1961). Microbiology. New York: McGraw-Hill.

Chicago

Witton Catherine Jones, Young Genevieve Gray, . 1961. Microbiology. New York: McGraw-Hill.

Harvard

Witton C. J., Young G. G., . (1961). Microbiology. New York: McGraw-Hill.

MLA

Witton Catherine Jones, Young Genevieve Gray, . Microbiology. New York: McGraw-Hill. 1961.