APA (7th ed.) Citation

Abelard, P., & Geyer, B. (1919). Peter Abaelards philosophische Schriften. Aschendorff.

Chicago Style (17th ed.) Citation

Abelard, Pere, and Bernhard Geyer. Peter Abaelards Philosophische Schriften. Münster i.W.: Aschendorff, 1919.

MLA (9th ed.) Citation

Abelard, Pere, and Bernhard Geyer. Peter Abaelards Philosophische Schriften. Aschendorff, 1919.

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