(1998). If laughter's gone [poem]. ...Papers, etc..
芝加哥风格引文"If Laughter's Gone [poem]." ...Papers, Etc. 1998.
MLA引文"If Laughter's Gone [poem]." ...Papers, Etc., 1998.
警告：这些引文格式不一定是100％准确.
APA引文
(1998). If laughter's gone [poem]. ...Papers, etc..
芝加哥风格引文"If Laughter's Gone [poem]." ...Papers, Etc. 1998.
MLA引文"If Laughter's Gone [poem]." ...Papers, Etc., 1998.