Cita APA (7th ed.)

LOUNSBURY, J. F., & OGDEN, L. (1969). Earth science. Harper and Row Publishers.

Cita Chicago (17th ed.)

LOUNSBURY, John F., i Lawrence OGDEN. Earth Science. New York: Harper and Row Publishers, 1969.

Cita MLA (9th ed.)

LOUNSBURY, John F., i Lawrence OGDEN. Earth Science. Harper and Row Publishers, 1969.