APA引文

Day, A. J., & Hoffman, V. (1993). The annual register: A record of world events 1992. Longman Group.

Chicago Style (17th ed.) Citation

Day, Alan J., and Verena Hoffman. The Annual Register: A Record of World Events 1992. Essex, England: Longman Group, 1993.

MLA引文

Day, Alan J., and Verena Hoffman. The Annual Register: A Record of World Events 1992. Longman Group, 1993.