APA (7th ed.) Citation

Willis, J. C. (2011). Agriculture in the tropics: An elementary treatise (3. ed., rev., 1. paperback ed. [Repr. d. 3. Aufl. 1922].). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Willis, John C. Agriculture in the Tropics: An Elementary Treatise. 3. ed., rev., 1. paperback ed. [Repr. d. 3. Aufl. 1922]. Cambridge: Cambridge Univ. Press, 2011.

MLA (9th ed.) Citation

Willis, John C. Agriculture in the Tropics: An Elementary Treatise. 3. ed., rev., 1. paperback ed. [Repr. d. 3. Aufl. 1922]. Cambridge Univ. Press, 2011.