Cita APA (7th ed.)
Pirenne, M. H. (1948). Vision and the eye. Chapman and Hall.
Cita Chicago (17th ed.)
Pirenne, Maurice Henri. Vision and the Eye. London: Chapman and Hall, 1948.
Cita MLA (9th ed.)
Pirenne, Maurice Henri. Vision and the Eye. Chapman and Hall, 1948.
Atenció: Aquestes cites poden no estar 100% correctes.