APA (7th ed.) Citation

Conboy, J. (2012). Retention and science performance in Portugal as evidenced by PISA.

Chicago Style (17th ed.) Citation

Conboy, Joseph. Retention and Science Performance in Portugal as Evidenced by PISA. 2012.

MLA (8th ed.) Citation

Conboy, Joseph. Retention and Science Performance in Portugal as Evidenced by PISA. 2012.

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