Cita APA (7a ed.)

Forsythe, W. E. 1. (1937). Measurement of radiant energy. McGraw-Hill.

Cita Chicago Style (17a ed.)

Forsythe, William Elmer 1881. Measurement of Radiant Energy. London: McGraw-Hill, 1937.

Cita MLA (8a ed.)

Forsythe, William Elmer 1881. Measurement of Radiant Energy. McGraw-Hill, 1937.