APA-viite

Ingraham, J. L., & Ingraham , C. A. (2000). Introduction to microbiology (2nd ed.). Brooks/Cole Publlishing company.

Chicago-tyylinen lähdeviittaus

Ingraham, John L., ja Catherine A. Ingraham. Introduction to Microbiology. 2nd ed. Brooks/Cole Publlishing company, 2000.

MLA-viite

Ingraham, John L., ja Catherine A. Ingraham. Introduction to Microbiology. 2nd ed. Brooks/Cole Publlishing company, 2000.