APA (7th ed.) Citation

Aario, L., & Janus, H. (1963). Biologische Geographie (2., verb. Aufl.). Westermann.

Chicago Style (17th ed.) Citation

Aario, Leo, and Horst Janus. Biologische Geographie. 2., verb. Aufl. Braunschweig [u.a.]: Westermann, 1963.

MLA (9th ed.) Citation

Aario, Leo, and Horst Janus. Biologische Geographie. 2., verb. Aufl. Westermann, 1963.

Warning: These citations may not always be 100% accurate.