APA (7th ed.) Citation

Hawksworth, D. L. (1994). Ascomycete systematics: Problems and perspectives in the nineties. Plenum Press.

Chicago Style (17th ed.) Citation

Hawksworth, D. L. Ascomycete Systematics: Problems and Perspectives in the Nineties. New York ; London: Plenum Press, 1994.

MLA (9th ed.) Citation

Hawksworth, D. L. Ascomycete Systematics: Problems and Perspectives in the Nineties. Plenum Press, 1994.