APA (7th ed.) Citation

Balchin, T., Hymer, B., & Matthews, D. J. (2009). The Routledge international companion to gifted education. Routledge.

Chicago Style (17th ed.) Citation

Balchin, Tom, Barry Hymer, and Dona J. Matthews. The Routledge International Companion to Gifted Education. London: Routledge, 2009.

MLA (9th ed.) Citation

Balchin, Tom, et al. The Routledge International Companion to Gifted Education. Routledge, 2009.