APA引文

Unknown. (2023). The naturalists directory. Samuel E. Cassino, U.S.A.

Chicago Style (17th ed.) Citation

Unknown. The Naturalists Directory. Samuel E. Cassino, U.S.A, 2023.

MLA引文

Unknown. The Naturalists Directory. Samuel E. Cassino, U.S.A, 2023.

警告：這些引文格式不一定是100％准確.