Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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