APA (7th ed.) Citation

Lessing, G. E., Eibl, K., & Göpfert, H. G. (1970). Werke. [publisher not identified].

Chicago Style (17th ed.) Citation

Lessing, Gotthold Ephraim, Karl Eibl, and Herbert Georg Göpfert. Werke. Munchen, C. Hanser: [publisher not identified], 1970.

MLA (9th ed.) Citation

Lessing, Gotthold Ephraim, et al. Werke. [publisher not identified], 1970.