APA

Neville W., . (1996). Chronology of the 20th Century. Oxford: Helicon Publishing.

Chicago

Neville Williams, . 1996. Chronology of the 20th Century. Oxford: Helicon Publishing.

Harvard

Neville W., . (1996). Chronology of the 20th Century. Oxford: Helicon Publishing.

MLA

Neville Williams, . Chronology of the 20th Century. Oxford: Helicon Publishing. 1996.