APA Edition Citation

Stephen Marshak. (2019). Earth: Portrait of a Planet (Sixth.). W.W. Norton.

Chicago Edition Citation

Stephen Marshak. Earth: Portrait of a Planet. Sixth. NewYork: W.W. Norton, 2019.

MLA Edition Citation

Stephen Marshak. Earth: Portrait of a Planet. Sixth. W.W. Norton, 2019.

Warning: These citations may not always be 100% accurate.