Gaya APA

SCHICK, T., VAUGHN, L. (2011). How to Think About Weird Things : Critical thinking for a new age (Ed. 6). New York: McGraw-Hill.

Gaya MLA

SCHICK, Theodore., VAUGHN, Lewis. "How to Think About Weird Things : Critical thinking for a new age". Ed. 6 New York: McGraw-Hill, 2011. Text.