APA (7th ed.) Citation

Demeter, R., Wührl, P., & Brack, H. (1970). Altertum. Buchner.

Chicago Style (17th ed.) Citation

Demeter, Reinhard, Paul-Wolfgang Wührl, and Harro Brack. Altertum. Bamberg: Buchner, 1970.

MLA (9th ed.) Citation

Demeter, Reinhard, et al. Altertum. Buchner, 1970.