APA引文

Guasti, C. A. (2001). Earth: An oasis of life. Reader's Digest.

芝加哥风格引文

Guasti, Carol A. Earth: An Oasis of Life. Pleasantville: Reader's Digest, 2001.

MLA引文

Guasti, Carol A. Earth: An Oasis of Life. Reader's Digest, 2001.