APA (7th ed.) Citation

Neubauer, F., Marx, K., & Engels, F. (1979). Marx-Engels-Bibliographie. Boldt.

Chicago Style (17th ed.) Citation

Neubauer, Franz, Karl Marx, and Friedrich Engels. Marx-Engels-Bibliographie. Boppard am Rhein: Boldt, 1979.

MLA (8th ed.) Citation

Neubauer, Franz, et al. Marx-Engels-Bibliographie. Boldt, 1979.