APA (7th ed.) Citation

Keller, K. (1968). Friedrich Spee von Langenfeld <1591-1635>.

Chicago Style (17th ed.) Citation

Keller, Karl. Friedrich Spee Von Langenfeld <1591-1635>. 1968.

MLA (9th ed.) Citation

Keller, Karl. Friedrich Spee Von Langenfeld <1591-1635>. 1968.

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