Cita APA (7th ed.)
Mathews, B., & Prater, E. (1947). John Williams the shipbuilder. Livingstone Press.
Cita Chicago (17th ed.)
Mathews, Basil, i Ernest Prater. John Williams the Shipbuilder. London: Livingstone Press, 1947.
Cita MLA (9th ed.)
Mathews, Basil, i Ernest Prater. John Williams the Shipbuilder. Livingstone Press, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.