APA (7th ed.) Citation

Marchant, A., & Mathew, B. (1974). An alphabetical table and cultivation guide to the species of the genus Iris. British Iris Society.

Chicago Style (17th ed.) Citation

Marchant, Angela, and Brian Mathew. An Alphabetical Table and Cultivation Guide to the Species of the Genus Iris. London: British Iris Society, 1974.

MLA (9th ed.) Citation

Marchant, Angela, and Brian Mathew. An Alphabetical Table and Cultivation Guide to the Species of the Genus Iris. British Iris Society, 1974.