APA (7th ed.) Citation

Marini-Bettolo, G. B. (1987). The activity of the Pontifical Academy of Sciences 1936-1986. Pontificia Academia Scientiarum.

Chicago Style (17th ed.) Citation

Marini-Bettolo, Giovanni B. The Activity of the Pontifical Academy of Sciences 1936-1986. Ciudad del Vaticano: Pontificia Academia Scientiarum, 1987.

MLA (9th ed.) Citation

Marini-Bettolo, Giovanni B. The Activity of the Pontifical Academy of Sciences 1936-1986. Pontificia Academia Scientiarum, 1987.