Cita APA (7th ed.)
Mathews, B. (1922). The book of missionary heroes. George H. Doran company.
Cita Chicago (17th ed.)
Mathews, Basil. The Book of Missionary Heroes. New York: George H. Doran company, 1922.
Cita MLA (9th ed.)
Mathews, Basil. The Book of Missionary Heroes. George H. Doran company, 1922.
Atenció: Aquestes cites poden no estar 100% correctes.