Cita APA (7th ed.)

(1975). Matter: An earth science. Harcourt Brace Jovanovich.

Cita Chicago (17th ed.)

Matter: An Earth Science. New York: Harcourt Brace Jovanovich, 1975.

Cita MLA (9th ed.)

Matter: An Earth Science. Harcourt Brace Jovanovich, 1975.