Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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