APA (7th ed.) Citation

Stirling, B. (2012). Nova's practice tests for the TOEFL iBT. Nova Press.

Chicago Style (17th ed.) Citation

Stirling, Bruce. Nova's Practice Tests for the TOEFL IBT. West Hollywood, CA: Nova Press, 2012.

MLA (9th ed.) Citation

Stirling, Bruce. Nova's Practice Tests for the TOEFL IBT. Nova Press, 2012.