Cita APA (7a ed.)

Krueger, R. G., Coggin, J. H., & Gillham, N. W. (1971). Introduction to microbiology. MacMillan.

Cita Chicago Style (17a ed.)

Krueger, Robert G., Joseph H. Coggin, y Nicholas W. Gillham. Introduction to Microbiology. New York: MacMillan, 1971.

Cita MLA (8a ed.)

Krueger, Robert G., et al. Introduction to Microbiology. MacMillan, 1971.