APA (7th ed.) Citation

Haupt, M., Droysen, J. G., & Waagen, G. F. IV. Semester 1862/63.

Chicago Style (17th ed.) Citation

Haupt, Moriz, Johann Gustav Droysen, and Gustav Friedrich Waagen. IV. Semester 1862/63.

MLA (9th ed.) Citation

Haupt, Moriz, et al. IV. Semester 1862/63.