APA (7th ed.) Citation

Murck, B. W., & Skinner, B. J. (1999). Geology today: Understanding our planet. John Wiley.

Chicago Style (17th ed.) Citation

Murck, Barbara Winifred, and Brian J. Skinner. Geology Today: Understanding Our Planet. New York: John Wiley, 1999.

MLA (9th ed.) Citation

Murck, Barbara Winifred, and Brian J. Skinner. Geology Today: Understanding Our Planet. John Wiley, 1999.