| MLA | Citation: | (United Nations, pp.art. 27) |
| Bibliography: | United Nations. “Vienna Convention on the Law of Treaties.” Treaty Series, vol. 1155, May 1969, p. 331. | |
| APA | Citation: | (United Nations, 1969, art. 27) |
| Bibliography: | United Nations. (1969). Vienna Convention on the Law of Treaties. Treaty Series, 1155, 331. | |
| Chicago | Citation: | (United Nations 1969) |
| Bibliography: | United Nations. 1969. “Vienna Convention on the Law of Treaties.” Treaty Series 1155 (May): 331. |