Cita APA (7a ed.)

Schweingruber, F. H. (2007). Tree-ring chronology of Pinus nigra (Black pine) compiled from tree samples AETNA. PANGAEA.

Cita Chicago Style (17a ed.)

Schweingruber, Fritz Hans. Tree-ring Chronology of Pinus Nigra (Black Pine) Compiled from Tree Samples AETNA. PANGAEA, 2007.

Cita MLA (9a ed.)

Schweingruber, Fritz Hans. Tree-ring Chronology of Pinus Nigra (Black Pine) Compiled from Tree Samples AETNA. PANGAEA, 2007.