Cita APA (7a ed.)

Heavens, O. (1964). Optical masers (1a ed.). Methuen'S Monographs.

Cita Chicago Style (17a ed.)

Heavens, O.S. Optical Masers. 1a ed. Londres: Methuen'S Monographs, 1964.

Cita MLA (9a ed.)

Heavens, O.S. Optical Masers. 1a ed. Methuen'S Monographs, 1964.