Cita APA (7th ed.)

ebrary, Inc, & Dickmann, D. (2001). Poplar culture in North America. NRC Research Press.

Cita Chicago (17th ed.)

ebrary, Inc, i Donald Dickmann. Poplar Culture in North America. Ottawa: NRC Research Press, 2001.

Cita MLA (9th ed.)

ebrary, Inc, i Donald Dickmann. Poplar Culture in North America. NRC Research Press, 2001.