APA (7th ed.) Citation

Mell, U., & Tilly, M. (2019). Vorwort. Gegenspieler, V-VI.

Chicago Style (17th ed.) Citation

Mell, Ulrich, and Michael Tilly. "Vorwort." Gegenspieler 2019: V-VI.

MLA (9th ed.) Citation

Mell, Ulrich, and Michael Tilly. "Vorwort." Gegenspieler, 2019, pp. V-VI.

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