Cita APA (7a ed.)

Schweingruber, F. H., & Eimiger, M. (2007). Tree-ring measurements of Pinus nigra (Black pine) from sample MATT-91. PANGAEA.

Cita Chicago Style (17a ed.)

Schweingruber, Fritz Hans, y Moritz Eimiger. Tree-ring Measurements of Pinus Nigra (Black Pine) from Sample MATT-91. PANGAEA, 2007.

Cita MLA (9a ed.)

Schweingruber, Fritz Hans, y Moritz Eimiger. Tree-ring Measurements of Pinus Nigra (Black Pine) from Sample MATT-91. PANGAEA, 2007.