Gaya APA

Grosvenor, G, H. (1982). February 1982: National Geographic (Febuary 1982). Washington D.C: National Geographic.

Gaya MLA

Grosvenor, Gilbert, Hovey. "February 1982: National Geographic". Febuary 1982 Washington D.C: National Geographic, 1982. GEN - Bacaan/Seri Non-Fiksi.