APA (7th ed.) Citation

Marini-Bettòlo, G. B. (1987). The activity of the Pontificial Academy of Sciences: 1936-1986 (2nd ed.). Ex Aedibus Academicis.

Chicago Style (17th ed.) Citation

Marini-Bettòlo, Giovanni Battista. The Activity of the Pontificial Academy of Sciences: 1936-1986. 2nd ed. In Civitate Vaticana: Ex Aedibus Academicis, 1987.

MLA (9th ed.) Citation

Marini-Bettòlo, Giovanni Battista. The Activity of the Pontificial Academy of Sciences: 1936-1986. 2nd ed. Ex Aedibus Academicis, 1987.