APA (7th ed.) Citation

Rood, H. J., & Abell, G. O. (1973). Luminosity functions of clusters of galaxies. University of California.

Chicago Style (17th ed.) Citation

Rood, Herbert J., and George O. Abell. Luminosity Functions of Clusters of Galaxies. Los Angeles: University of California, 1973.

MLA (9th ed.) Citation

Rood, Herbert J., and George O. Abell. Luminosity Functions of Clusters of Galaxies. University of California, 1973.