APA (7th ed.) Citation

Achebe, C. (1961). No longer at ease. I. Obolensky.

Chicago Style (17th ed.) Citation

Achebe, Chinua. No Longer at Ease. New York: I. Obolensky, 1961.

MLA (9th ed.) Citation

Achebe, Chinua. No Longer at Ease. I. Obolensky, 1961.