Gaya APA

Vaughn, S, ., T, L. (2011). How to Think About Weird Things : Critical Thinking for a New Age (Sixth Edition). New York: McGraw-Hill Companies.

Gaya MLA

Vaughn, Schick, .Jr.,, Theodore,, Lewis. "How to Think About Weird Things : Critical Thinking for a New Age". Sixth Edition New York: McGraw-Hill Companies, 2011. Text.