Cita APA (7th ed.)

Baker, H. G. (1970). Plants and civilization (2nd ed.). Wadsworth.

Cita Chicago (17th ed.)

Baker, Herbert G. Plants and Civilization. 2nd ed. Belmont, Calif: Wadsworth, 1970.

Cita MLA (9th ed.)

Baker, Herbert G. Plants and Civilization. 2nd ed. Wadsworth, 1970.