SCHULKIN, Jay, 2013. Reflections on the musical mind : an evolutionary perspective, Princeton: Princeton University Press.
If you have as many problems as Fred in telling the difference between a book and an article in a reference list, the following information will be very useful.
Bibliographies given by your professors generally have different types of sources and are organized alphabetically, by publication date, or by subject.
Clues like the title or the publisher can help you identify the type of source that corresponds to a reference, whatever the style used: