APA (7th ed.) Citation

Friedrich Reusner Erben, Päcken, C., & Reusner, K. (1717). Specimen I. Problematum Medicorum. Typis Reusnerianis.

Chicago Style (17th ed.) Citation

Friedrich Reusner Erben, Christian Päcken, and Katharina Reusner. Specimen I. Problematum Medicorum. Regiomonti: Typis Reusnerianis, 1717.

MLA (9th ed.) Citation

Friedrich Reusner Erben, et al. Specimen I. Problematum Medicorum. Typis Reusnerianis, 1717.