APA引文

(2006). Abstracts. 18th World congress of soil science (July 9-15, 2006, Philadelphia).

Chicago Style (17th ed.) Citation

Abstracts. 18th World Congress of Soil Science (July 9-15, 2006, Philadelphia). 2006.

MLA引文

Abstracts. 18th World Congress of Soil Science (July 9-15, 2006, Philadelphia). 2006.

警告：這些引文格式不一定是100％准確.