APA (7th ed.) Citation

Marini-Bettòlo, G. B. (1987). The activity of the Pontifical Academy of Sciences: 1936 - 1986 (2. ed.). Pontificiae Acad. Scientarum.

Chicago Style (17th ed.) Citation

Marini-Bettòlo, Giovanni B. The Activity of the Pontifical Academy of Sciences: 1936 - 1986. 2. ed. Città del Vaticano: Pontificiae Acad. Scientarum, 1987.

MLA (9th ed.) Citation

Marini-Bettòlo, Giovanni B. The Activity of the Pontifical Academy of Sciences: 1936 - 1986. 2. ed. Pontificiae Acad. Scientarum, 1987.