APA (7th ed.) Citation

Schmidt, G., Hesse, F., & Trost, K. (1981). Die Zuckerrohrkultur in Marokko.

Chicago Style (17th ed.) Citation

Schmidt, Gerhard, Friedrich-Wilhelm Hesse, and Karl Trost. Die Zuckerrohrkultur in Marokko. Eschborn, 1981.

MLA (9th ed.) Citation

Schmidt, Gerhard, et al. Die Zuckerrohrkultur in Marokko. 1981.

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