Cita APA (7th ed.)
Clark, E. D. (1970). Missions in the seventies. Scripture Union.
Cita Chicago (17th ed.)
Clark, E. Dennis. Missions in the Seventies. London: Scripture Union, 1970.
Cita MLA (9th ed.)
Clark, E. Dennis. Missions in the Seventies. Scripture Union, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.