APA (7th ed.) Citation

Johnston, C. A. (1998). Geographic information systems in ecology. Blacwell Science.

Chicago Style (17th ed.) Citation

Johnston, Carol A. Geographic Information Systems in Ecology. London: Blacwell Science, 1998.

MLA (9th ed.) Citation

Johnston, Carol A. Geographic Information Systems in Ecology. Blacwell Science, 1998.

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