Plenary Session of the Pontifical Academy of Sciences Watykan. (2000). Changing concepts of nature at the turn of the millennium: Proceedings Plenary Session of the Pontifical Academy of Sciences 26-29 October 1998. Pontificia Academia Scientiarum.
Cytowanie według stylu Chicago (wyd. 17)Plenary Session of the Pontifical Academy of Sciences Watykan. Changing Concepts of Nature at the Turn of the Millennium: Proceedings Plenary Session of the Pontifical Academy of Sciences 26-29 October 1998. Vatican City: Pontificia Academia Scientiarum, 2000.
Cytowanie według stylu MLA (wyd. 9)Plenary Session of the Pontifical Academy of Sciences Watykan. Changing Concepts of Nature at the Turn of the Millennium: Proceedings Plenary Session of the Pontifical Academy of Sciences 26-29 October 1998. Pontificia Academia Scientiarum, 2000.