Karsten, R., Runeberg, A., & Webster, M. (1964). Studies in the religion of the South-American Indians east of the Andes (First edition.). Societas Scientiarum Fennica.

Karsten, Rafael, Arne Runeberg, and Michael Webster. Studies in the Religion of the South-American Indians East of the Andes. First edition. Helsinki: Societas Scientiarum Fennica, 1964.

Karsten, Rafael, et al. Studies in the Religion of the South-American Indians East of the Andes. First edition. Societas Scientiarum Fennica, 1964.