Cita APA (7a ed.)

Namowitz, S. N. (1978). Earth science tests. American Book Comp.

Cita Chicago Style (17a ed.)

Namowitz, Samuel N. Earth Science Tests. New York [u.a.]: American Book Comp, 1978.

Cita MLA (9a ed.)

Namowitz, Samuel N. Earth Science Tests. American Book Comp, 1978.