Cita APA (7th ed.)
Ludwig, C. (1963). Mama was a missionary. Zondervan Pub. House.
Cita Chicago (17th ed.)
Ludwig, Charles. Mama Was a Missionary. Grand Rapids: Zondervan Pub. House, 1963.
Cita MLA (9th ed.)
Ludwig, Charles. Mama Was a Missionary. Zondervan Pub. House, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.