Cita APA (7th ed.)

Harley, J. P., Harley, J. P., & Klein, D. A. (2005). Microbiology (6th ed.). McGraw-Hill Higher Education.

Cita Chicago (17th ed.)

Harley, Jong P., John P. Harley, i Donald A. Klein. Microbiology. 6th ed. New York: McGraw-Hill Higher Education, 2005.

Cita MLA (8th ed.)

Harley, Jong P., et al. Microbiology. 6th ed. McGraw-Hill Higher Education, 2005.