Cita APA (7a ed.)

Bleyer, H. (2007). Tree-ring width of Quercus species from historical object sample IB20948-9. PANGAEA.

Cita Chicago Style (17a ed.)

Bleyer, Hans-Jürgen. Tree-ring Width of Quercus Species from Historical Object Sample IB20948-9. PANGAEA, 2007.

Cita MLA (9a ed.)

Bleyer, Hans-Jürgen. Tree-ring Width of Quercus Species from Historical Object Sample IB20948-9. PANGAEA, 2007.