APA (7th ed.) Citation

Tucker, Wood, & Murphy. (1999). The European powers in the first world war: An encyclopedia. Hemisphere Publication Services.

Chicago Style (17th ed.) Citation

Tucker, Wood, and Murphy. The European Powers in the First World War: An Encyclopedia. Singapore: Hemisphere Publication Services, 1999.

MLA (8th ed.) Citation

Tucker, et al. The European Powers in the First World War: An Encyclopedia. Hemisphere Publication Services, 1999.