APA

Ramsey W. L., Burckley R. A., . (1965). Modern earth science. New York: Holt, Rinehart and Winston.

Chicago

Ramsey William L, Burckley Raymond A, . 1965. Modern earth science. New York: Holt, Rinehart and Winston.

Harvard

Ramsey W. L., Burckley R. A., . (1965). Modern earth science. New York: Holt, Rinehart and Winston.

MLA

Ramsey William L, Burckley Raymond A, . Modern earth science. New York: Holt, Rinehart and Winston. 1965.