Cita APA (7a ed.)

Friedrich, M., Kromer, B., Kaiser, K., Spurk, M., Hughen, K. A., & Johnsen, S. J. (2001). Tree-ring width of Pinus sylvestris (von Linné) of subfossil tree sample HOH2600-650. PANGAEA.

Cita Chicago Style (17a ed.)

Friedrich, Michael, Bernd Kromer, Klaus-Felix Kaiser, Marco Spurk, Konrad A. Hughen, y Sigfús Jóhann Johnsen. Tree-ring Width of Pinus Sylvestris (von Linné) of Subfossil Tree Sample HOH2600-650. PANGAEA, 2001.

Cita MLA (9a ed.)

Friedrich, Michael, et al. Tree-ring Width of Pinus Sylvestris (von Linné) of Subfossil Tree Sample HOH2600-650. PANGAEA, 2001.