APA

Levy J. G., Campbell J. J. R. & Blackburn T. H. (1973). Introductory microbiology. New Yor: Wiley.

Chicago

Levy Julia G, Campbell Jack James Ramsay and Blackburn T Henry. 1973. Introductory microbiology. New Yor: Wiley.

Harvard

Levy J. G., Campbell J. J. R. and Blackburn T. H. (1973). Introductory microbiology. New Yor: Wiley.

MLA

Levy Julia G, Campbell Jack James Ramsay and Blackburn T Henry. Introductory microbiology. New Yor: Wiley. 1973.