APA (7th ed.) Citation

Alexander, S. (2015). Mathematics for common entrance: Three (extension) answers. Galore Park.

Chicago Style (17th ed.) Citation

Alexander, Serena. Mathematics for Common Entrance: Three (extension) Answers. London: Galore Park, 2015.

MLA (9th ed.) Citation

Alexander, Serena. Mathematics for Common Entrance: Three (extension) Answers. Galore Park, 2015.

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