APA (7th ed.) Citation

Heller, R. L. (1979). Earth science: Second edition (Teacher's ed.). Webster Division, McGraw-Hill.

Chicago Style (17th ed.) Citation

Heller, Robert L. Earth Science: Second Edition. Teacher's ed. New York: Webster Division, McGraw-Hill, 1979.

MLA (9th ed.) Citation

Heller, Robert L. Earth Science: Second Edition. Teacher's ed. Webster Division, McGraw-Hill, 1979.