Cita APA (7th ed.)

Murrell, W. G., & Kennedy, I. R. (1988). Microbiology in action: Biological nitrogen fixation with general aspects of soil and food bacteriology. Research Studies.

Cita Chicago (17th ed.)

Murrell, William G., i Ivan R. Kennedy. Microbiology in Action: Biological Nitrogen Fixation with General Aspects of Soil and Food Bacteriology. Letchworth: Research Studies, 1988.

Cita MLA (9th ed.)

Murrell, William G., i Ivan R. Kennedy. Microbiology in Action: Biological Nitrogen Fixation with General Aspects of Soil and Food Bacteriology. Research Studies, 1988.