APA (7th ed.) Citation

Robinson, J. M., & Koester, H. Trajectories through Early Christianity.

Chicago Style (17th ed.) Citation

Robinson, James M., and Helmut Koester. Trajectories Through Early Christianity.

MLA (9th ed.) Citation

Robinson, James M., and Helmut Koester. Trajectories Through Early Christianity.

Warning: These citations may not always be 100% accurate.