Halstead, B., & Orr, i. R. (1983). <As >origens da vida. Verbo.
Chicago Style (17th ed.) CitationHalstead, Berverly, and il. Richard Orr. <As >origens Da Vida. Verbo, 1983.
MLA引文Halstead, Berverly, and il. Richard Orr. <As >origens Da Vida. Verbo, 1983.
警告:這些引文格式不一定是100%准確.