APA引文

Ureña Bonilla, P. (2006). Sports-psychological recommendations for football players.

Citación estilo Chicago

Ureña Bonilla, Pedro. Sports-psychological Recommendations for Football Players. 2006.

MLA引文

Ureña Bonilla, Pedro. Sports-psychological Recommendations for Football Players. 2006.

警告：这些引文格式不一定是100％准确.