APA (7th ed.) Citation

Pfeiffer, H. (2002). In memoriam R.P. Friedrich Kempf, S.I. Archivum historiae pontificiae, 40, 9-13.

Chicago Style (17th ed.) Citation

Pfeiffer, Heinrich. "In Memoriam R.P. Friedrich Kempf, S.I." Archivum Historiae Pontificiae 40 (2002): 9-13.

MLA (9th ed.) Citation

Pfeiffer, Heinrich. "In Memoriam R.P. Friedrich Kempf, S.I." Archivum Historiae Pontificiae, vol. 40, 2002, pp. 9-13.

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