APA-Zitierstil (7. Ausg.)

Gray, A. (1859). A manual of the botany of the Northern United States. London, J. Chapman.

Chicago-Zitierstil (17. Ausg.)

Gray, Asa. A Manual of the Botany of the Northern United States. Boston and Cambridge: London, J. Chapman, 1859.

MLA-Zitierstil (9. Ausg.)

Gray, Asa. A Manual of the Botany of the Northern United States. London, J. Chapman, 1859.