Schweingruber, F. H., & Brunner, M. (2007). Tree-ring measurements of Abies magnifica (California red fir) from sample ASHL-51. PANGAEA.
Citazione stile Chigago Style (17a edizione)Schweingruber, Fritz Hans, e Margrit Brunner. Tree-ring Measurements of Abies Magnifica (California Red Fir) from Sample ASHL-51. PANGAEA, 2007.
Citatione MLA (9a ed.)Schweingruber, Fritz Hans, e Margrit Brunner. Tree-ring Measurements of Abies Magnifica (California Red Fir) from Sample ASHL-51. PANGAEA, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.