Reader's Digest (U.S. Edition). Reader's Digest Association.
芝加哥风格引文Reader's Digest (U.S. Edition). Pleasantville, N.Y: Reader's Digest Association.
MLA引文Reader's Digest (U.S. Edition). Reader's Digest Association.
警告：这些引文格式不一定是100％准确.
APA引文