Trích dẫn APA

Humes, J. C. (2003). Which president killed a man?: Tantalizing trivia and fun facts about our chief executives and first ladies. Chicago: Contemporary Books.

Trích dẫn kiểu Chicago

Humes, James C. Which President Killed a Man?: Tantalizing Trivia and Fun Facts About Our Chief Executives and First Ladies. Chicago: Contemporary Books, 2003.

Trích dẫn MLA

Humes, James C. Which President Killed a Man?: Tantalizing Trivia and Fun Facts About Our Chief Executives and First Ladies. Chicago: Contemporary Books, 2003.

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