An article titled "Research methods in Economics" written by Tom Nunan and

Susan Walker in 2014, and published in the Journal for Economics in Volume 2, Issue 3. The article is from page 113 to 150

I'm assuming that you want this in the form of Harvard Referencing.

[Author Surname], [Author Initial.] ([Year Published]) [Title].[Publication Title], [Volume number] ([Issue number]), [Pages Used].

All you have to do now is fill in the gaps.

Nuna, T and Walker, S. (2014). Research methods in Economics. Journal for Economics. 2 (3), 113 - 150.