APA stil citiranja

Qiu, Z., Cheng, H., & He, Y. (2005). Development of a portable instrument for measuring soil water content with GPS: Development of a portable instrument for measuring soil water content with GPS. Aktualni zadaci mehanizacije poljoprivrede.

Chicago stil citiranja

Qiu, Zhengjun, Hongyan Cheng, and Yong He. "Development of a portable instrument for measuring soil water content with GPS: Development of a portable instrument for measuring soil water content with GPS." 2005.

MLA stil citiranja

Qiu, Zhengjun, Hongyan Cheng, and Yong He. "Development of a portable instrument for measuring soil water content with GPS: Development of a portable instrument for measuring soil water content with GPS." 2005.