Cita APA (7a ed.)

Russell, H. N., Dugan, R., & Stewart, J. (1937). Astronomy: : Astrophysics and Stellar Astronomy. Ginn.

Cita Chicago Style (17a ed.)

Russell, Henry Norris, Raymond Dugan, y John Stewart. Astronomy: : Astrophysics and Stellar Astronomy. Boston: Ginn, 1937.

Cita MLA (9a ed.)

Russell, Henry Norris, et al. Astronomy: : Astrophysics and Stellar Astronomy. Ginn, 1937.