APA (7th ed.) Citation

Baly, E. C. C. (1927). Spectroscopy (3d. ed.). Longmans, Green.

Chicago Style (17th ed.) Citation

Baly, E. C. C. Spectroscopy. 3d. ed. London, New York: Longmans, Green, 1927.

MLA (9th ed.) Citation

Baly, E. C. C. Spectroscopy. 3d. ed. Longmans, Green, 1927.