Cita APA (7a ed.)

Gehrels, T. (1994). Hazards Due to Comets and Asteroids. Univ. of Arizona Press.

Cita Chicago Style (17a ed.)

Gehrels, Tom. Hazards Due to Comets and Asteroids. Tucson: Univ. of Arizona Press, 1994.

Cita MLA (8a ed.)

Gehrels, Tom. Hazards Due to Comets and Asteroids. Univ. of Arizona Press, 1994.