APA (7th ed.) Citation

Eko, E. E. (1999). Effective writing. Heinemann Educational Books.

Chicago Style (17th ed.) Citation

Eko, Ebele E. Effective Writing. Heinemann Educational Books, 1999.

MLA (9th ed.) Citation

Eko, Ebele E. Effective Writing. Heinemann Educational Books, 1999.

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