通常情况下,都需要参考文献。看以下的要求:
Commentary
Science's Insights section presents analysis by scientists and other experts on issues of interest to Science readers. With the exception of Letters, eLetters, and Technical Comments, most items in this section are commissioned by the editors, but unsolicited contributions are welcome. Perspectives and Policy Forums should include an abstract. Commentary material may be peer reviewed at the Editors' discretion.