Gaya APA

Microbiology. (1999). New York: [s.n.].

Gaya Chicago

Microbiology. 4th. New York: [s.n.], 1999. Text.

Gaya MLA

Microbiology. 4th. New York: [s.n.], 1999. Text.

Gaya Turabian

Microbiology. New York: [s.n.], 1999. Print.