APA (7th ed.) Citation

Schaal, S., Ziegler, W., & Shaffer-Fehre, M. (1992). Messel: An insight into the history of life and of the earth (English ed.). Clarendon.

Chicago Style (17th ed.) Citation

Schaal, Stephan, Willi,ed Ziegler, and Monica Shaffer-Fehre. Messel: An Insight into the History of Life and of the Earth. English ed. Oxford: Clarendon, 1992.

MLA (9th ed.) Citation

Schaal, Stephan, et al. Messel: An Insight into the History of Life and of the Earth. English ed. Clarendon, 1992.