APA (7th ed.) Citation

Paul Webb & Gill Boltt. (1989). Teaching ecological principles as a basis for understanding environmental issues. Environmental Association of Southern Africa.

Chicago Style (17th ed.) Citation

Paul Webb and Gill Boltt. Teaching Ecological Principles as a Basis for Understanding Environmental Issues. Environmental Association of Southern Africa, 1989.

MLA (9th ed.) Citation

Paul Webb and Gill Boltt. Teaching Ecological Principles as a Basis for Understanding Environmental Issues. Environmental Association of Southern Africa, 1989.

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