APA引文

(1977). World Book Year Book: The annual Supplement to the workld book encyclopedia. Field Enterprise.

Chicago Edition Citation

World Book Year Book: The Annual Supplement to the Workld Book Encyclopedia. Chicago: Field Enterprise, 1977.

MLA引文

World Book Year Book: The Annual Supplement to the Workld Book Encyclopedia. Field Enterprise, 1977.

警告：這些引文格式不一定是100％准確.