APA (7th ed.) Citation

Post, T. B. (2006). Why is teaching mathematics so difficult? The Borneo Post.

Chicago Style (17th ed.) Citation

Post, The Borneo. Why Is Teaching Mathematics so Difficult? The Borneo Post, 2006.

MLA (9th ed.) Citation

Post, The Borneo. Why Is Teaching Mathematics so Difficult? The Borneo Post, 2006.

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