Cita APA (7th ed.)

Guthrie, J. A. (1961). Western forest industry; an economic outlook / J. A. Guthrie [and] George R. Armstrong. Published for Resources for the Future.

Cita Chicago (17th ed.)

Guthrie, John Alexander. Western Forest Industry; an Economic Outlook / J. A. Guthrie [and] George R. Armstrong. Baltimore: Published for Resources for the Future, 1961.

Cita MLA (9th ed.)

Guthrie, John Alexander. Western Forest Industry; an Economic Outlook / J. A. Guthrie [and] George R. Armstrong. Published for Resources for the Future, 1961.