APA (7th ed.) Citation

Erickson, J. (1991). Target earth!: Asteroid collisions past and future. TAB Books.

Chicago Style (17th ed.) Citation

Erickson, Jon. Target Earth!: Asteroid Collisions Past and Future. Blue Ridge Summit, PA: TAB Books, 1991.

MLA (8th ed.) Citation

Erickson, Jon. Target Earth!: Asteroid Collisions Past and Future. TAB Books, 1991.

Warning: These citations may not always be 100% accurate.