APA (7th ed.) Citation

Macan, T., & Worthington, C. J. (1973). A key to the adults of the British Trichoptera. Freshwater Biological Association.

Chicago Style (17th ed.) Citation

Macan, T.T, and C. Joan Worthington. A Key to the Adults of the British Trichoptera. [Ambleside]: Freshwater Biological Association, 1973.

MLA (9th ed.) Citation

Macan, T.T, and C. Joan Worthington. A Key to the Adults of the British Trichoptera. Freshwater Biological Association, 1973.