APA (7th ed.) Zitazioa

Speer, J. H. (2011). Fundamentals of tree-ring research. The University of Arizona Press.

Chicago Style (17th ed.) Zitazioa

Speer, James H. Fundamentals of Tree-ring Research. Tucson,USA: The University of Arizona Press, 2011.

MLA (9th ed.) Zitazioa

Speer, James H. Fundamentals of Tree-ring Research. The University of Arizona Press, 2011.