Cita APA (7th ed.)
Reichelt, G., & Wilmans, O. (1973). Vegetationsgeographie. Westermann.
Cita Chicago (17th ed.)
Reichelt, Günther, i Otti Wilmans. Vegetationsgeographie. Braunschweig: Westermann, 1973.
Cita MLA (9th ed.)
Reichelt, Günther, i Otti Wilmans. Vegetationsgeographie. Westermann, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.