APA (7th ed.) Citation

Bickermann, E. J., & Gercke, A. (1963). Chronologie.

Chicago Style (17th ed.) Citation

Bickermann, Elias J., and A. Gercke. Chronologie. Leipzig, 1963.

MLA (8th ed.) Citation

Bickermann, Elias J., and A. Gercke. Chronologie. 1963.