APA-viite

Keylor, W. R. (2012). The encyclopedia of the modern world; vol. III (P-Z): 1900 to the present. Viva books.

Chicago-tyylinen lähdeviittaus

Keylor, William R. The Encyclopedia of the Modern World; Vol. III (P-Z): 1900 to the Present. New Delhi: Viva books, 2012.

MLA-viite

Keylor, William R. The Encyclopedia of the Modern World; Vol. III (P-Z): 1900 to the Present. Viva books, 2012.