APA (7th ed.) Citation

Achebe, C., & Milne, J. (1989). No longer at ease. Macmillan.

Chicago Style (17th ed.) Citation

Achebe, Chinua, and John Milne. No Longer at Ease. Oxford: Macmillan, 1989.

MLA (9th ed.) Citation

Achebe, Chinua, and John Milne. No Longer at Ease. Macmillan, 1989.