Cita APA

Bergen, J. Y. (1904). Elements of botany (Rev. ed.). Ginn & company.

Citación estilo Chicago

Bergen, Joseph Y. Elements of Botany. Rev. ed. Boston, [etc.]: Ginn & company, 1904.

Cita MLA

Bergen, Joseph Y. Elements of Botany. Rev. ed. Ginn & company, 1904.