Cita APA (7a ed.)

Alfvén, H., & Arrhenius, G. (1973). Origin and evolution of the earth-moon system. University of California.

Cita Chicago Style (17a ed.)

Alfvén, Hannes, y Gustaf Arrhenius. Origin and Evolution of the Earth-moon System. San Diego: University of California, 1973.

Cita MLA (8a ed.)

Alfvén, Hannes, y Gustaf Arrhenius. Origin and Evolution of the Earth-moon System. University of California, 1973.