APA (7th ed.) Citation

Koester, H., Pearson, B. A., Kraabel, A. T., Nickelsburg, G. W. E., & Petersen, N. R. (1991). The future of early christianity: Essays in honor of Helmut Koester. Fortress.

Chicago Style (17th ed.) Citation

Koester, Helmut, Birger Albert Pearson, A. Thomas Kraabel, George W. E. Nickelsburg, and Norman R. Petersen. The Future of Early Christianity: Essays in Honor of Helmut Koester. Minneapolis: Fortress, 1991.

MLA (9th ed.) Citation

Koester, Helmut, et al. The Future of Early Christianity: Essays in Honor of Helmut Koester. Fortress, 1991.