APA (7th ed.) Citation

Martin, B., Barbosa, & Reeves, M. (1965). John Newton and the slave trade (1. publ., 2. impression.). Longmans.

Chicago Style (17th ed.) Citation

Martin, Bernard, Barbosa, and Marjorie Reeves. John Newton and the Slave Trade. 1. publ., 2. impression. London: Longmans, 1965.

MLA (9th ed.) Citation

Martin, Bernard, et al. John Newton and the Slave Trade. 1. publ., 2. impression. Longmans, 1965.