APA (7th ed.) Citation

Wirth, E., Lőffler, E., & Schneider, M. (1988). German Geographical Research Overseas: A Report to the International Geographical Union. Deutsche Forschungsgemeinschaft.

Chicago Style (17th ed.) Citation

Wirth, Eugen, Ernst Lőffler, and Manfred Schneider. German Geographical Research Overseas: A Report to the International Geographical Union. Bonn: Deutsche Forschungsgemeinschaft, 1988.

MLA (9th ed.) Citation

Wirth, Eugen, et al. German Geographical Research Overseas: A Report to the International Geographical Union. Deutsche Forschungsgemeinschaft, 1988.