APA-Zitierstil (7. Ausg.)

(1978). Earth science: The world we live in (Teacher's annotated ed.). American Book comp.

Chicago-Zitierstil (17. Ausg.)

Earth Science: The World We Live in. Teacher's annotated ed. New York [u.a.]: American Book comp, 1978.

MLA-Zitierstil (9. Ausg.)

Earth Science: The World We Live in. Teacher's annotated ed. American Book comp, 1978.