Wellburn, A. (1991). Air pollution and acid rain: The biological impact. Longman scientific.
Chicago Style (17th ed.) CitationWellburn, Alan. Air Pollution and Acid Rain: The Biological Impact. Nueva York: Longman scientific, 1991.
MLA (9th ed.) CitationWellburn, Alan. Air Pollution and Acid Rain: The Biological Impact. Longman scientific, 1991.
Warning: These citations may not always be 100% accurate.