APA (7th ed.) Citation

Childs, I. R. W., & Berg, K. (2015). The Australian Geography Competition: An Overview of Participation and Results 2004-2013. Geographical Education, 28, 50.

Chicago Style (17th ed.) Citation

Childs, Iraphne R. W., and Kathryn Berg. "The Australian Geography Competition: An Overview of Participation and Results 2004-2013." Geographical Education 28 (2015): 50.

MLA (9th ed.) Citation

Childs, Iraphne R. W., and Kathryn Berg. "The Australian Geography Competition: An Overview of Participation and Results 2004-2013." Geographical Education, vol. 28, 2015, p. 50.