APA (7th ed.) Citation

Essien, O. E. (1990). A grammar of the Ibibio language. Univ. Press.

Chicago Style (17th ed.) Citation

Essien, Okon E. A Grammar of the Ibibio Language. Ibadan: Univ. Press, 1990.

MLA (9th ed.) Citation

Essien, Okon E. A Grammar of the Ibibio Language. Univ. Press, 1990.

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