APA (7th ed.) Citation

Howell, T. (1897). A flora of northwest America: Containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia. Vol. I. Phanerogamae.. [publisher not identified].

Chicago Style (17th ed.) Citation

Howell, Thomas. A Flora of Northwest America: Containing Brief Descriptions of All the Known Indigenous and Naturalized Plants Growing Without Cultivation North of California, West of Utah, and South of British Columbia. Vol. I. Phanerogamae.. Portland, Or.: [publisher not identified], 1897.

MLA (9th ed.) Citation

Howell, Thomas. A Flora of Northwest America: Containing Brief Descriptions of All the Known Indigenous and Naturalized Plants Growing Without Cultivation North of California, West of Utah, and South of British Columbia. Vol. I. Phanerogamae.. [publisher not identified], 1897.