APA (7th ed.) Citation

Christaller, T., Rome, E., & Wittur, K. (1987). Einführung in InterLISP.

Chicago Style (17th ed.) Citation

Christaller, Thomas, Erich Rome, and Karl-Heinz Wittur. Einführung in InterLISP. Sankt Augustin, 1987.

MLA (9th ed.) Citation

Christaller, Thomas, et al. Einführung in InterLISP. 1987.