APA (7th ed.) Citation

Schweingruber, F. H., & Frei, S. (2007). Tree-ring measurements of Picea obovata (Sibirean spruce) from sample KHEYPCNA-81. PANGAEA.

Chicago Style (17th ed.) Citation

Schweingruber, Fritz Hans, and Sybille Frei. Tree-ring Measurements of Picea Obovata (Sibirean Spruce) from Sample KHEYPCNA-81. PANGAEA, 2007.

MLA (9th ed.) Citation

Schweingruber, Fritz Hans, and Sybille Frei. Tree-ring Measurements of Picea Obovata (Sibirean Spruce) from Sample KHEYPCNA-81. PANGAEA, 2007.

Warning: These citations may not always be 100% accurate.