APA (7th ed.) Citation

Neckermann, G., Wessels, H., & Neumann, F. (1987). Die Glasindustrie. Duncker & Humblot.

Chicago Style (17th ed.) Citation

Neckermann, Gerhard, Hans Wessels, and Françoise Neumann. Die Glasindustrie. Berlin: Duncker & Humblot, 1987.

MLA (9th ed.) Citation

Neckermann, Gerhard, et al. Die Glasindustrie. Duncker & Humblot, 1987.