APA (7th ed.) Citation

Hummel, H. (1987). Bibliotheca Apostolica Vaticana. Rottenburger Jahrbuch für Kirchengeschichte, 6, 303-304.

Chicago Style (17th ed.) Citation

Hummel, Heribert. "Bibliotheca Apostolica Vaticana." Rottenburger Jahrbuch Für Kirchengeschichte 6 (1987): 303-304.

MLA (9th ed.) Citation

Hummel, Heribert. "Bibliotheca Apostolica Vaticana." Rottenburger Jahrbuch Für Kirchengeschichte, vol. 6, 1987, pp. 303-304.

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