APA (7th ed.) Citation

J. A. Sunday & Adam Matthew Digital (Firm). (2018). Nigeria: Yoruba: Original papers, missionaries: J. A. Sunday. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

J. A. Sunday and Adam Matthew Digital (Firm). Nigeria: Yoruba: Original Papers, Missionaries: J. A. Sunday. Marlborough, Wiltshire: Adam Matthew Digital, 2018.

MLA (9th ed.) Citation

J. A. Sunday and Adam Matthew Digital (Firm). Nigeria: Yoruba: Original Papers, Missionaries: J. A. Sunday. Adam Matthew Digital, 2018.