APA (7th ed.) Citation

Open Book Publishers & Siklos, S. (2016). Advanced problems in mathematics: Preparing for university. Open Book Publishers.

Chicago Style (17th ed.) Citation

Open Book Publishers and Stephen Siklos. Advanced Problems in Mathematics: Preparing for University. Cambridge, England: Open Book Publishers, 2016.

MLA (9th ed.) Citation

Open Book Publishers and Stephen Siklos. Advanced Problems in Mathematics: Preparing for University. Open Book Publishers, 2016.