APA-Zitierstil (7. Ausg.)

Spires, D. N. (1998). Beyond horizons: A half century of Air Force space leadership (Rev. ed.). Air Force Space Command [u.a.].

Chicago-Zitierstil (17. Ausg.)

Spires, David N. Beyond Horizons: A Half Century of Air Force Space Leadership. Rev. ed. [Maxwell AFB, Ala.]: Air Force Space Command [u.a.], 1998.

MLA-Zitierstil (9. Ausg.)

Spires, David N. Beyond Horizons: A Half Century of Air Force Space Leadership. Rev. ed. Air Force Space Command [u.a.], 1998.