Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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.

Cita MLA (9a ed.)

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