APA (7th ed.) Citation

Pontificia Universitas Gregoriana. (1927). Liber annualis. Pontificia Universitas Gregoriana.

Chicago Style (17th ed.) Citation

Pontificia Universitas Gregoriana. Liber Annualis. Roma: Pontificia Universitas Gregoriana, 1927.

MLA (9th ed.) Citation

Pontificia Universitas Gregoriana. Liber Annualis. Pontificia Universitas Gregoriana, 1927.

Warning: These citations may not always be 100% accurate.