APA引文

ebrary, Inc, & Kelleher, N. B. (2012). U.S. oil sources: Turmoil and tranquility. Nova Science Publishers.

芝加哥风格引文

ebrary, Inc, 与 Natalie B. Kelleher. U.S. Oil Sources: Turmoil and Tranquility. Hauppauge, N.Y.: Nova Science Publishers, 2012.

MLA引文

ebrary, Inc, 与 Natalie B. Kelleher. U.S. Oil Sources: Turmoil and Tranquility. Nova Science Publishers, 2012.

警告:这些引文格式不一定是100%准确.