Knauer, K. Humor.
Chicago Style (17th ed.) CitationKnauer, Karl. Humor.
MLA引文Knauer, Karl. Humor.
警告：這些引文格式不一定是100％准確.
APA引文
Knauer, K. Humor.
Chicago Style (17th ed.) CitationKnauer, Karl. Humor.
MLA引文Knauer, Karl. Humor.