APA (7th ed.) Citation

Schieffer, R., Schwartz, E., & Straub, J. (1974). Indices codicum et auctorum. De Gruyter. https://doi.org/10.1515/9783110828542

Chicago Style (17th ed.) Citation

Schieffer, Rudolf, Eduard Schwartz, and Johannes Straub. Indices Codicum Et Auctorum. Berlin/Boston: De Gruyter, 1974. https://doi.org/10.1515/9783110828542.

MLA (9th ed.) Citation

Schieffer, Rudolf, et al. Indices Codicum Et Auctorum. De Gruyter, 1974. https://doi.org/10.1515/9783110828542.