APA ציטוט

Contopoulos, G., & Kotsakis, D. (1987). Cosmology: The structure and evolution of the universe. Springer-Verlag.

Chicago Edition Citation

Contopoulos, George, and D. Kotsakis. Cosmology: The Structure and Evolution of the Universe. New York: Springer-Verlag, 1987.

ציטוט MLA

Contopoulos, George, and D. Kotsakis. Cosmology: The Structure and Evolution of the Universe. Springer-Verlag, 1987.