Cita APA (7th ed.)

Thompson, G. R. (1999). Earth science and the environment (2nd ed.). Harcourt Brace College Publishers.

Cita Chicago (17th ed.)

Thompson, Graham R. Earth Science and the Environment. 2nd ed. Fort Worth: Harcourt Brace College Publishers, 1999.

Cita MLA (9th ed.)

Thompson, Graham R. Earth Science and the Environment. 2nd ed. Harcourt Brace College Publishers, 1999.