Cita APA (7a ed.)

Burg, D. F., & Purcell, L. E. (1998). Almanac of World War I. University Press of Kentucky.

Cita Chicago Style (17a ed.)

Burg, David F., y L. Edward Purcell. Almanac of World War I. Lexington, Ky.: University Press of Kentucky, 1998.

Cita MLA (8a ed.)

Burg, David F., y L. Edward Purcell. Almanac of World War I. University Press of Kentucky, 1998.