Cita APA

Smith, D. G. (1981). The Cambridge Encyclopedia of Earth Sciences. CUP.

Chicago Edition Citation

Smith, David G. The Cambridge Encyclopedia of Earth Sciences. NewYork: CUP, 1981.

Cita MLA

Smith, David G. The Cambridge Encyclopedia of Earth Sciences. CUP, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.