Cita APA (7a ed.)

Namowitz, S. N. (1975). Tests for Earth science (5. ed.). American Book Comp.

Cita Chicago Style (17a ed.)

Namowitz, Samuel N. Tests for Earth Science. 5. ed. New York [u.a.]: American Book Comp, 1975.

Cita MLA (9a ed.)

Namowitz, Samuel N. Tests for Earth Science. 5. ed. American Book Comp, 1975.