Cita APA (7th ed.)

Bleyer, H. (2007). Tree-ring width of Picea abies (Karsten) from historical object sample IB22531-16. PANGAEA.

Cita Chicago (17th ed.)

Bleyer, Hans-Jürgen. Tree-ring Width of Picea Abies (Karsten) from Historical Object Sample IB22531-16. PANGAEA, 2007.

Cita MLA (9th ed.)

Bleyer, Hans-Jürgen. Tree-ring Width of Picea Abies (Karsten) from Historical Object Sample IB22531-16. PANGAEA, 2007.