APA (7th ed.) Citation

Campbell, A., & Geisler, E. (1971). Episome. Academie-Verlag.

Chicago Style (17th ed.) Citation

Campbell, A., and E. Geisler. Episome. Berlin: Academie-Verlag, 1971.

MLA (8th ed.) Citation

Campbell, A., and E. Geisler. Episome. Academie-Verlag, 1971.