MLA

The History of the Times. Volume Iv. Part I. The 150th Anniversary and Beyond 1912-1948. London, 1952.

APA

(1952). The History of the Times. Volume IV. Part I. The 150th anniversary and beyond 1912-1948. London.

Chicago

The History of the Times. Volume IV. Part I. The 150th Anniversary and Beyond 1912-1948. London, 1952.