Cita APA

James R Craig. (1988). Resources of the earth. Englewood Cliffs, New Jersey: Prentice-Hall.

Chicago Style Citation

James R Craig. Resources of the Earth. Englewood Cliffs, New Jersey: Prentice-Hall, 1988.

Cita MLA

James R Craig. Resources of the Earth. Englewood Cliffs, New Jersey: Prentice-Hall, 1988.

Atenció: Aquestes cites poden no estar 100% correctes.