Gaya APA

Swanson, C, P. (NULL). The New Encyclopaedia britannica volume 18 knowledge in depth taylor ì utah . Chicago:: Chicago: Encyclopaedia Britannica Inc.; 1983.

Gaya MLA

Swanson, Carl, P.. "The New Encyclopaedia britannica volume 18 knowledge in depth taylor ì utah". Chicago:: Chicago: Encyclopaedia Britannica Inc.; 1983, NULL. Text.