Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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