APA (7th ed.) Citation

Keller, K. (1968). Friedrich Spee von Langenfeld: (1591 - 1635) ; Seelsorger, Dichter, Humanist. Butzon & Bercker.

Chicago Style (17th ed.) Citation

Keller, Karl. Friedrich Spee Von Langenfeld: (1591 - 1635) ; Seelsorger, Dichter, Humanist. Kevelaer, Rhld: Butzon & Bercker, 1968.

MLA (9th ed.) Citation

Keller, Karl. Friedrich Spee Von Langenfeld: (1591 - 1635) ; Seelsorger, Dichter, Humanist. Butzon & Bercker, 1968.

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