The following format should be used when referencing book with one author:
Surname, Initials. (Year) Title of book. Place of publication: Publisher.
Example of citation within the text - Paraphrasing
In his study of acting Cohen (2002) believes that throughout history, verse or poetry has been a major form of dramatic language.
Example of citation within the text – Direct quote
According to Cohen (2002) “style is not only something one performs in the theatre, it is something we all do in life” (p. 7).
Example of how the reference for this source should appear:
Cohen, R. (2002) Advanced acting: style, character and performance. Boston, MA: McGraw-Hill Higher Education.