Gaya APA

Hitchens, H, L, /, D, A, /, E, A. (1955). An illustrated outline history of mankind, jilid 1. Part I - Part VI . Chicago: Chicago Spencer press.

Gaya MLA

Hitchens, Harold, Lee, /, Degrazia,, Alfred, /, Et, Al.. "An illustrated outline history of mankind, jilid 1. Part I - Part VI ". Chicago: Chicago Spencer press, 1955. Buku.