Trích dẫn APA

Ewing, D. W. (1973). Science policy and business: The changing relation of Europe and the United States. Boston: Harvard University.

Trích dẫn kiểu Chicago

Ewing, David W. Science Policy and Business: The Changing Relation of Europe and the United States. Boston: Harvard University, 1973.

Trích dẫn MLA

Ewing, David W. Science Policy and Business: The Changing Relation of Europe and the United States. Boston: Harvard University, 1973.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.