APA (7th ed.) Citation

Johnston, C. A. (1998). Geographic information systems in ecology / Carol A. Johnston. Blackwell Science.

Chicago Style (17th ed.) Citation

Johnston, Carol A. Geographic Information Systems in Ecology / Carol A. Johnston. Oxford: Blackwell Science, 1998.

MLA (9th ed.) Citation

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

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