APA (7th ed.) Citation

Groag, E., Stein, A., Petersen, L., & Wachtel, K. (1933). Prosopographia Imperii Romani: Saec. I, II, III (Editio altera.). De Gruyter.

Chicago Style (17th ed.) Citation

Groag, Edmund, Arthur Stein, Leiva Petersen, and Klaus Wachtel. Prosopographia Imperii Romani: Saec. I, II, III. Editio altera. Berolini ; Novi Eboraci: De Gruyter, 1933.

MLA (9th ed.) Citation

Groag, Edmund, et al. Prosopographia Imperii Romani: Saec. I, II, III. Editio altera. De Gruyter, 1933.