Franklin

MLA

Proctor, Richard Anthony. Light Science for Leisure Hours: A Series of Familiar Essays On Scientific Subjects, Natural Phenomena, Etc. [New York: Humboldt pub. co., 1879.

APA

Proctor, R. Anthony. (1879). Light science for leisure hours: A series of familiar essays on scientific subjects, natural phenomena, etc. [New York: Humboldt pub. co.

Chicago

Proctor, Richard Anthony, Light Science for Leisure Hours: A Series of Familiar Essays On Scientific Subjects, Natural Phenomena, Etc. [New York: Humboldt pub. co., 1879.