APA (7th ed.) Citation

Systematics Association & Heywood, V. H. (1973). Taxonomy and ecology: Proceedings of an international symposium held at the Dept. of Botany, University of Reading. Systematics Association by Academic Press.

Chicago Style (17th ed.) Citation

Systematics Association and V. H. Heywood. Taxonomy and Ecology: Proceedings of an International Symposium Held at the Dept. of Botany, University of Reading. London ; New York: Systematics Association by Academic Press, 1973.

MLA (8th ed.) Citation

Systematics Association and V. H. Heywood. Taxonomy and Ecology: Proceedings of an International Symposium Held at the Dept. of Botany, University of Reading. Systematics Association by Academic Press, 1973.