Cita APA (7th ed.)
Pettifer, J., & Bradley, R. (1990). Missionaries. BBC Books.
Cita Chicago (17th ed.)
Pettifer, Julian, i Richard Bradley. Missionaries. London: BBC Books, 1990.
Cita MLA (9th ed.)
Pettifer, Julian, i Richard Bradley. Missionaries. BBC Books, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.