Gaya APA
Garrett, W, E. (1985).
October 1985 Vol. 168, No. 4: National Geographic .
Washington, D.C.:
National Geographic.
Gaya MLA
Garrett, Wilbur, E..
"October 1985 Vol. 168, No. 4: National Geographic".
Washington, D.C.:
National Geographic,
1985.
Text.