Cita APA (7a ed.)

Bleyer, H. (2007). Tree-ring width of Quercus species from historical object sample IB21013-49. PANGAEA.

Cita Chicago Style (17a ed.)

Bleyer, Hans-Jürgen. Tree-ring Width of Quercus Species from Historical Object Sample IB21013-49. PANGAEA, 2007.

Cita MLA (9a ed.)

Bleyer, Hans-Jürgen. Tree-ring Width of Quercus Species from Historical Object Sample IB21013-49. PANGAEA, 2007.