Nature Study. The American Nature Study Society.
Chicago Style (17th ed.) CitationNature Study. US: The American Nature Study Society.
MLA引文Nature Study. The American Nature Study Society.
警告：這些引文格式不一定是100％准確.
APA引文
Nature Study. The American Nature Study Society.
Chicago Style (17th ed.) CitationNature Study. US: The American Nature Study Society.
MLA引文Nature Study. The American Nature Study Society.