APA(7版)引用形式
Day, A. J., & Hoffman, V. (1991). The annual register: A record of world events 1990. Longman.
Chicagoスタイル(17版)引用形式
Day, Alan J., , Verena Hoffman. The Annual Register: A Record of World Events 1990. London, [England]: Longman, 1991.
MLA(9版)引用形式
Day, Alan J., , Verena Hoffman. The Annual Register: A Record of World Events 1990. Longman, 1991.
警告: この引用は必ずしも正確ではありません.