Cita APA (7a ed.)

Friedrich, M. (2008). Tree-ring width of Picea abies (Karsten) from living tree sample HOH9050-21. PANGAEA.

Cita Chicago Style (17a ed.)

Friedrich, Michael. Tree-ring Width of Picea Abies (Karsten) from Living Tree Sample HOH9050-21. PANGAEA, 2008.

Cita MLA (9a ed.)

Friedrich, Michael. Tree-ring Width of Picea Abies (Karsten) from Living Tree Sample HOH9050-21. PANGAEA, 2008.