APA (7th ed.) Citation

Schmidt, H. (1986). ESP 9/10. Volk und Wissen.

Chicago Style (17th ed.) Citation

Schmidt, Hans-Joachim. ESP 9/10. Berlin: Volk und Wissen, 1986.

MLA (8th ed.) Citation

Schmidt, Hans-Joachim. ESP 9/10. Volk und Wissen, 1986.

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