APA Style

Joklik, W, K., Zinsser, H. (1992). Zinsser microbiology. (20th ed). Norwalk: Appleton & Lange.

MLA Style

Joklik, Wolfgang, K., Zinsser, Hans. "Zinsser microbiology.". 20th ed Norwalk: Appleton & Lange, 1992. Text.