Cita APA (7a ed.)

Gratton, L., & Landi Dessy, J. (1961). The Spectrum of RS Ophiuchi during the 1958 maximum.

Cita Chicago Style (17a ed.)

Gratton, Livio, y Jorge Landi Dessy. The Spectrum of RS Ophiuchi During the 1958 Maximum. 1961.

Cita MLA (8a ed.)

Gratton, Livio, y Jorge Landi Dessy. The Spectrum of RS Ophiuchi During the 1958 Maximum. 1961.