KREBS, C. J. (1989). Ecological Methodology Charles J. Krebs. Harper & Row.
Chicago Style (17th ed.) CitationKREBS, Charles J. Ecological Methodology Charles J. Krebs. Harper & Row, 1989.
MLA引文KREBS, Charles J. Ecological Methodology Charles J. Krebs. Harper & Row, 1989.
警告：这些引文格式不一定是100％准确.