Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Schweingruber, Fritz Hans, y Felix Kienast. Tree-ring Measurements of Pinus Nigra (Black Pine) from Sample TROF-91. PANGAEA, 2007.

Cita MLA (9a ed.)

Schweingruber, Fritz Hans, y Felix Kienast. Tree-ring Measurements of Pinus Nigra (Black Pine) from Sample TROF-91. PANGAEA, 2007.