Cita APA (7th ed.)

SEED, M. A. (1985). Hoeizons: Exploring the universe.-- ed.2. Wasworth pub.

Cita Chicago (17th ed.)

SEED, Michael A. Hoeizons: Exploring the Universe.-- Ed.2. Belmont: Wasworth pub, 1985.

Cita MLA (9th ed.)

SEED, Michael A. Hoeizons: Exploring the Universe.-- Ed.2. Wasworth pub, 1985.