Cita APA (7a ed.)

Lawrence, G. H. M. (1955). An introduction to plant taxonomy. Macmillan.

Cita Chicago Style (17a ed.)

Lawrence, George Hill Mathewson. An Introduction to Plant Taxonomy. New York: Macmillan, 1955.

Cita MLA (9a ed.)

Lawrence, George Hill Mathewson. An Introduction to Plant Taxonomy. Macmillan, 1955.