APA (7th ed.) Citation

Ek, C. W., & Clarke, S. F. (1994). The Quebec sovereignty question. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Ek, Carl W., and Stephen F. Clarke. The Quebec Sovereignty Question. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1994.

MLA (9th ed.) Citation

Ek, Carl W., and Stephen F. Clarke. The Quebec Sovereignty Question. Congressional Research Service, Library of Congress, 1994.