Citazione Stile APA (7a Edizione)

Preßler, E. (2012). Tree-ring width of Picea abies (L.) H. Karst. from historical object sample 6724B/05A, Germany, Wittmund. PANGAEA.

Citazione stile Chigago Style (17a edizione)

Preßler, Erhard. Tree-ring Width of Picea Abies (L.) H. Karst. from Historical Object Sample 6724B/05A, Germany, Wittmund. PANGAEA, 2012.

Citatione MLA (9a ed.)

Preßler, Erhard. Tree-ring Width of Picea Abies (L.) H. Karst. from Historical Object Sample 6724B/05A, Germany, Wittmund. PANGAEA, 2012.