APA Edition Citation

John R Gallon. (1987). An introduction to nitrogen fixation. Cassell educational limited.

Chicago Edition Citation

John R Gallon. An Introduction to Nitrogen Fixation. London: Cassell educational limited, 1987.

MLA Edition Citation

John R Gallon. An Introduction to Nitrogen Fixation. Cassell educational limited, 1987.

Warning: These citations may not always be 100% accurate.