Your Authors Give a Demonstration of the Proper Way to Cite

Multiple Choice

Your authors give a demonstration of the proper way to cite research that has been previously conducted and published by two professionals, Smith and Jones. The research was conducted in 2012. Which of the following is the correct format for such a citation?

A) ​(Smith & Jones, 2012)
B) ​(Smith and Jones, '12)
C) ​(Smith & Jones, '12)
D) ​(Smith and Jones, 2012)