Ask the Library: Reference

It depends on the style that you are using, but you would cite it as any other book.

In APA

for a single author, the basic method is:

Author, A. A. (Year of publication). Title of work: Capital letter also for subtitle. Publisher.

In MLA

for a single author, the basic method is:

Lastname, Firstname. Title of Book. City of Publication: Publisher, Year of Publication. Medium of Publication.

Source: Purdue's Online Writing Lab