Cita APA (7a ed.)
Day, A. J., & Hoffman, V. (2000). The annual register: A record of world events 1999. Keesing's Worldwide.
Cita Chicago Style (17a ed.)
Day, Alan J., y Verena Hoffman. The Annual Register: A Record of World Events 1999. London, [England]: Keesing's Worldwide, 2000.
Cita MLA (9a ed.)
Day, Alan J., y Verena Hoffman. The Annual Register: A Record of World Events 1999. Keesing's Worldwide, 2000.
Precaución: Estas citas no son 100% exactas.