Cita APA (7a ed.)

Pasachoff, J. M. (1992). Journey through the universe. Saunders College Pub..

Cita Chicago Style (17a ed.)

Pasachoff, Jay M. Journey Through the Universe. Philadelphia: Saunders College Pub., 1992.

Cita MLA (9a ed.)

Pasachoff, Jay M. Journey Through the Universe. Saunders College Pub., 1992.