Cita APA (7th ed.)
Wauer, R. H. (2004). Birding the Southwestern national parks. Texas A&M University Press.
Cita Chicago (17th ed.)
Wauer, Roland H. Birding the Southwestern National Parks. College Station: Texas A&M University Press, 2004.
Cita MLA (9th ed.)
Wauer, Roland H. Birding the Southwestern National Parks. Texas A&M University Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.