APA (7th ed.) Citation

Wadsworth, R., & Treweek, J. (1999). GIS for ecology: An introduction. Longman.

Chicago Style (17th ed.) Citation

Wadsworth, Richard, and Jo Treweek. GIS for Ecology: An Introduction. Harlow: Longman, 1999.

MLA (8th ed.) Citation

Wadsworth, Richard, and Jo Treweek. GIS for Ecology: An Introduction. Longman, 1999.

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