Defoe, D. (1969). An essay upon projects. Scolar Pr..
Cita Chicago (17th ed.)Defoe, Daniel. An Essay upon Projects. Menston: Scolar Pr., 1969.
Cita MLA (9th ed.)Defoe, Daniel. An Essay upon Projects. Scolar Pr., 1969.
Atenció: Aquestes cites poden no estar 100% correctes.