APA (7th ed.) Citation

Wakefield, W. L., & Wakefield, W. L. (1991). Heresies of the high middle ages: Selected sources. Columbia Univ. Press.

Chicago Style (17th ed.) Citation

Wakefield, Walter Leggett, and Walter L. Wakefield. Heresies of the High Middle Ages: Selected Sources. New York, NY [u.a.]: Columbia Univ. Press, 1991.

MLA (9th ed.) Citation

Wakefield, Walter Leggett, and Walter L. Wakefield. Heresies of the High Middle Ages: Selected Sources. Columbia Univ. Press, 1991.

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