APA-Zitierstil (7. Ausg.)

Williston on contracts (3. ed.). Lawyers Co-operative Publ. [u.a.].

Chicago-Zitierstil (17. Ausg.)

Williston on Contracts. 3. ed. Rochester, N.Y. [u.a.]: Lawyers Co-operative Publ. [u.a.].

MLA-Zitierstil (9. Ausg.)

Williston on Contracts. 3. ed. Lawyers Co-operative Publ. [u.a.].