Cita APA
Day, A. J., & Hoffman, V. (1998). The annual register: A record of world events 1997. Keesing's Worldwide.
Citación estilo Chicago
Day, Alan J., and Verena Hoffman. The Annual Register: A Record of World Events 1997. Bethesda, Maryland: Keesing's Worldwide, 1998.
Cita MLA
Day, Alan J., and Verena Hoffman. The Annual Register: A Record of World Events 1997. Keesing's Worldwide, 1998.
Warning: These citations may not always be 100% accurate.