APA (7th ed.) Citation

He, Y. (1999). Development of microextraction techniques for environmental application.

Chicago Style (17th ed.) Citation

He, Yi. Development of Microextraction Techniques for Environmental Application. 1999.

MLA (8th ed.) Citation

He, Yi. Development of Microextraction Techniques for Environmental Application. 1999.

Warning: These citations may not always be 100% accurate.