Cita APA

Marshak Stphen. (2001). Earth: Portrait of a Planet. American: ADBS.

Chicago Style Citation

Marshak Stphen. Earth: Portrait of a Planet. American: ADBS, 2001.

Cita MLA

Marshak Stphen. Earth: Portrait of a Planet. American: ADBS, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.