APA (7th ed.) Citation

Keenan, E. L. (1981). Passive in the world's languages. L.A.U.T.

Chicago Style (17th ed.) Citation

Keenan, Edward L. Passive in the World's Languages. Trier: L.A.U.T, 1981.

MLA (9th ed.) Citation

Keenan, Edward L. Passive in the World's Languages. L.A.U.T, 1981.

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