APA (7th ed.) Citation

Gardiner, T. (2016). Teaching Mathematics at Secondary Level. Open Book Publishers.

Chicago Style (17th ed.) Citation

Gardiner, Tony. Teaching Mathematics at Secondary Level. Open Book Publishers, 2016.

MLA (9th ed.) Citation

Gardiner, Tony. Teaching Mathematics at Secondary Level. Open Book Publishers, 2016.

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