Cita APA (7a ed.)

Cortie, A. L. (1915). The Colours and spectra of the stars. s.n.

Cita Chicago Style (17a ed.)

Cortie, Aloysius Laurence. The Colours and Spectra of the Stars. [S.l.: s.n, 1915.

Cita MLA (9a ed.)

Cortie, Aloysius Laurence. The Colours and Spectra of the Stars. s.n, 1915.