APA

Pearl R. M., . (1962). 1001 questions answered about earth science. New York: Dodd, Mead.

Chicago

Pearl Richard Maxwell, . 1962. 1001 questions answered about earth science. New York: Dodd, Mead.

Harvard

Pearl R. M., . (1962). 1001 questions answered about earth science. New York: Dodd, Mead.

MLA

Pearl Richard Maxwell, . 1001 questions answered about earth science. New York: Dodd, Mead. 1962.