Cita APA (7a ed.)

Shu, F. H. (1982). The Physical Universe: : An Introduction to Astronomy. University Science Books.

Cita Chicago Style (17a ed.)

Shu, Frank H. The Physical Universe: : An Introduction to Astronomy. Mill Valley: University Science Books, 1982.

Cita MLA (9a ed.)

Shu, Frank H. The Physical Universe: : An Introduction to Astronomy. University Science Books, 1982.