APA (7th ed.) Citation

Geyer,Bernardo, a. (1921). Leter Abaelardus Philosophische Schriften. Aschendorffsche.

Chicago Style (17th ed.) Citation

Geyer,Bernardo, autor. Leter Abaelardus Philosophische Schriften. Münster: Aschendorffsche, 1921.

MLA (9th ed.) Citation

Geyer,Bernardo, autor. Leter Abaelardus Philosophische Schriften. Aschendorffsche, 1921.

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