Cita APA (7a ed.)

Lummer, O. (1905). Observations on vision in brightness and in obscurity, with a hypothesis on the cause of color-blindness. Government Printing Of.

Cita Chicago Style (17a ed.)

Lummer, O. Observations on Vision in Brightness and in Obscurity, with a Hypothesis on the Cause of Color-blindness. Washington: Government Printing Of, 1905.

Cita MLA (9a ed.)

Lummer, O. Observations on Vision in Brightness and in Obscurity, with a Hypothesis on the Cause of Color-blindness. Government Printing Of, 1905.