Cita APA (7a ed.)

Aulenback, K. R. (2009). Identification Guide to the Fossil Plants of the Horseshoe Canyon Formation of Drumheller, Alberta. University Of Calgary Press.

Cita Chicago Style (17a ed.)

Aulenback, Kevin R. Identification Guide to the Fossil Plants of the Horseshoe Canyon Formation of Drumheller, Alberta. University Of Calgary Press, 2009.

Cita MLA (8a ed.)

Aulenback, Kevin R. Identification Guide to the Fossil Plants of the Horseshoe Canyon Formation of Drumheller, Alberta. University Of Calgary Press, 2009.