Cita APA (7th ed.)

KRAUSKOPF, K. B., & BEISER, A. (1986). The Physical universe.-- Ed.5. McGraw-Hill book.

Cita Chicago (17th ed.)

KRAUSKOPF, Konrad B., i Arthur BEISER. The Physical Universe.-- Ed.5. New York: McGraw-Hill book, 1986.

Cita MLA (9th ed.)

KRAUSKOPF, Konrad B., i Arthur BEISER. The Physical Universe.-- Ed.5. McGraw-Hill book, 1986.