Cita APA

Kolb, E. W. (1990). The early universe. Reading, Mass: Addison-Wesley.

Chicago Style Citation

Kolb, Edward W. The Early Universe. Reading, Mass: Addison-Wesley, 1990.

Cita MLA

Kolb, Edward W. The Early Universe. Reading, Mass: Addison-Wesley, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.