APA (7th ed.) Citation

Coombs, I., & Crompton, D. W. T. (1991). A guide to human helminths. Taylor and Francis.

Chicago Style (17th ed.) Citation

Coombs, Isabel, and D. W. T. Crompton. A Guide to Human Helminths. London ; New York: Taylor and Francis, 1991.

MLA (9th ed.) Citation

Coombs, Isabel, and D. W. T. Crompton. A Guide to Human Helminths. Taylor and Francis, 1991.