APA (7th ed.) Citation

Abaelard, P. (1969). Petri Abaelardi Opera theologica. Petri Abaelardi Opera theologica.

Chicago Style (17th ed.) Citation

Abaelard, Peter. "Petri Abaelardi Opera Theologica." Petri Abaelardi Opera Theologica 1969.

MLA (8th ed.) Citation

Abaelard, Peter. "Petri Abaelardi Opera Theologica." Petri Abaelardi Opera Theologica, 1969.

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