APA Style

Parsons, P, (. (2009). 30-second theories : the 50 most thought-provoking theories in science, each explained in half a minute . : Metro Books.

MLA Style

Parsons, Paul, (Ed.). "30-second theories : the 50 most thought-provoking theories in science, each explained in half a minute". : Metro Books, 2009. BOOK.