Cita APA (7a ed.)

Feinstein Baigorri, C., Vega, E. I., & Forte, J. C. (1987). CCD photometry of the active galaxy NGC 1672.

Cita Chicago Style (17a ed.)

Feinstein Baigorri, Carlos, Ema Irene Vega, y Juan Carlos Forte. CCD Photometry of the Active Galaxy NGC 1672. 1987.

Cita MLA (8a ed.)

Feinstein Baigorri, Carlos, et al. CCD Photometry of the Active Galaxy NGC 1672. 1987.