Cita APA (7a ed.)

Preßler, E. (2008). Tree-ring width of Picea abies from historical object sample 6123B/02A, Netherlands, Groningen. PANGAEA.

Cita Chicago Style (17a ed.)

Preßler, Erhard. Tree-ring Width of Picea Abies from Historical Object Sample 6123B/02A, Netherlands, Groningen. PANGAEA, 2008.

Cita MLA (9a ed.)

Preßler, Erhard. Tree-ring Width of Picea Abies from Historical Object Sample 6123B/02A, Netherlands, Groningen. PANGAEA, 2008.