APA
Boadi L. A., Grieve D. W. & Boadi L. A. (1971). Grammatical structure and its teaching. Lagos Nigeria: African Univerities Press.
Chicago
Boadi L A, Grieve D W and Boadi L A. 1971. Grammatical structure and its teaching. Lagos Nigeria: African Univerities Press.
Harvard
Boadi L. A., Grieve D. W. and Boadi L. A. (1971). Grammatical structure and its teaching. Lagos Nigeria: African Univerities Press.
MLA
Boadi L A, Grieve D W and Boadi L A. Grammatical structure and its teaching. Lagos Nigeria: African Univerities Press. 1971.