APA (7th ed.) Citation

Walker, F. J., & James, P. W. (1980). A revised guide to microchemical techniques for the identification of lichen products. British Lichen Society.

Chicago Style (17th ed.) Citation

Walker, F. Joy, and Peter W. James. A Revised Guide to Microchemical Techniques for the Identification of Lichen Products. London: British Lichen Society, 1980.

MLA (9th ed.) Citation

Walker, F. Joy, and Peter W. James. A Revised Guide to Microchemical Techniques for the Identification of Lichen Products. British Lichen Society, 1980.