Cita APA (7a ed.)

Bergen, J. Y., & Eastwood, A. (1899). Elements of botany. Ginn & Co..

Cita Chicago Style (17a ed.)

Bergen, Joseph Y., y Alice Eastwood. Elements of Botany. Boston : London: Ginn & Co., 1899.

Cita MLA (8a ed.)

Bergen, Joseph Y., y Alice Eastwood. Elements of Botany. Ginn & Co., 1899.