Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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