Cita APA

Smithsonian Contributions To The Earth Sciences. Washington Dc: Smithsonian Press.

Chicago Style Citation

Smithsonian Contributions To The Earth Sciences. Washington Dc: Smithsonian Press.

Cita MLA

Smithsonian Contributions To The Earth Sciences. Washington Dc: Smithsonian Press.

Atenció: Aquestes cites poden no estar 100% correctes.