APA (7th ed.) Citation

Kontopulos, G. I., & Kōtsakēs, D. D. (1987). Cosmology: The structure and evolution of the universe. Springer.

Chicago Style (17th ed.) Citation

Kontopulos, Geōrgios Iōannu, and Dēmētrios D. Kōtsakēs. Cosmology: The Structure and Evolution of the Universe. Berlin [u.a.]: Springer, 1987.

MLA (9th ed.) Citation

Kontopulos, Geōrgios Iōannu, and Dēmētrios D. Kōtsakēs. Cosmology: The Structure and Evolution of the Universe. Springer, 1987.