APA (7th ed.) Citation

Rowland, I. D. (2011). Athanasius Kircher’s Guardian Angel. Conversations with angels, 250-272.

Chicago Style (17th ed.) Citation

Rowland, Ingrid D. "Athanasius Kircher’s Guardian Angel." Conversations with Angels 2011: 250-272.

MLA (9th ed.) Citation

Rowland, Ingrid D. "Athanasius Kircher’s Guardian Angel." Conversations with Angels, 2011, pp. 250-272.

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