APA

Parker S. P., . (1997). Dictionary of Earth science. New York: McGraw-Hill.

Chicago

Parker Sybil P, . 1997. Dictionary of Earth science. New York: McGraw-Hill.

Harvard

Parker S. P., . (1997). Dictionary of Earth science. New York: McGraw-Hill.

MLA

Parker Sybil P, . Dictionary of Earth science. New York: McGraw-Hill. 1997.