APA Style
Earth: portrait of planet.--. (2001).
New York:
.
Chicago Style
Earth: portrait of planet.--.
Ed. 1..
New York:
,
2001.
Buku.
MLA Style
Earth: portrait of planet.--.
Ed. 1..
New York:
,
2001.
Buku.
Turabian Style
Earth: portrait of planet.--.
New York:
,
2001.
Buku.