APA (7th ed.) Citation

Borchardt, E., & Borchardt, J. (1991). Friedrich der Fromme Sohn Christian Ludwigs II.

Chicago Style (17th ed.) Citation

Borchardt, Erika, and Jürgen Borchardt. Friedrich Der Fromme Sohn Christian Ludwigs II. 1991.

MLA (9th ed.) Citation

Borchardt, Erika, and Jürgen Borchardt. Friedrich Der Fromme Sohn Christian Ludwigs II. 1991.

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