APA (7th ed.) Citation

Six, J., & Six, J. F. (1981). Charles de Foucauld. Herder.

Chicago Style (17th ed.) Citation

Six, Jean-François, and Jean François Six. Charles De Foucauld. Freiburg Basel Wien: Herder, 1981.

MLA (8th ed.) Citation

Six, Jean-François, and Jean François Six. Charles De Foucauld. Herder, 1981.

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