APA

Hall G. S., Hawksworth D. L., . (1990). International mycological directory, 1990. Wallingford: Published on behalf of the International Mycological Association and CAB International Mycological Institute.

Chicago

Hall G S, Hawksworth D L, . 1990. International mycological directory, 1990. Wallingford: Published on behalf of the International Mycological Association and CAB International Mycological Institute.

Harvard

Hall G. S., Hawksworth D. L., . (1990). International mycological directory, 1990. Wallingford: Published on behalf of the International Mycological Association and CAB International Mycological Institute.

MLA

Hall G S, Hawksworth D L, . International mycological directory, 1990. Wallingford: Published on behalf of the International Mycological Association and CAB International Mycological Institute. 1990.