Cita APA (7a ed.)

Olano, C. A., Pöppel, W. G. L., & Vota, M. D. (1979). A search for H I in nine southern galactic clusters.

Cita Chicago Style (17a ed.)

Olano, Carlos Alberto, Wolfgang G. L. Pöppel, y M. D. Vota. A Search for H I in Nine Southern Galactic Clusters. 1979.

Cita MLA (8a ed.)

Olano, Carlos Alberto, et al. A Search for H I in Nine Southern Galactic Clusters. 1979.