APA (7th ed.) Citation

Heywood, V. H. (1968). Modern methods in plant taxonomy. Botanical Society of the British Isles and the Linnean Society of London by Academic Press.

Chicago Style (17th ed.) Citation

Heywood, Vernon Hilton. Modern Methods in Plant Taxonomy. London: Botanical Society of the British Isles and the Linnean Society of London by Academic Press, 1968.

MLA (9th ed.) Citation

Heywood, Vernon Hilton. Modern Methods in Plant Taxonomy. Botanical Society of the British Isles and the Linnean Society of London by Academic Press, 1968.