Cita APA

Murck Barbara W., & Skinner Brian J. (1999). Geology Today Understanding Our Planet. American: John Wiley & Sons.

Chicago Style Citation

Murck Barbara W., i Skinner Brian J. Geology Today Understanding Our Planet. American: John Wiley & Sons, 1999.

Cita MLA

Murck Barbara W., i Skinner Brian J. Geology Today Understanding Our Planet. American: John Wiley & Sons, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.