Mc Green, C. (1965). Pioneer inventor. Fawcett.
Cita Chicago (17th ed.)Mc Green, Constance. Pioneer Inventor. Fawcett, 1965.
Cita MLA (9th ed.)Mc Green, Constance. Pioneer Inventor. Fawcett, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.