APA Edition Citation

Willis, A. J. (1973). Introduction to plant Ecology: A guide for beginners in the study of plant communities. George Allen & Unwin Ltd.

Chicago Edition Citation

Willis, A J. Introduction to Plant Ecology: A Guide for Beginners in the Study of Plant Communities. London: George Allen & Unwin Ltd, 1973.

MLA Edition Citation

Willis, A J. Introduction to Plant Ecology: A Guide for Beginners in the Study of Plant Communities. George Allen & Unwin Ltd, 1973.