APA (7th ed.) Citation

Porter, D., & Prince, D. (2012). Spain 2012. John Wiley & Sons, Inc..

Chicago Style (17th ed.) Citation

Porter, Darwin, and Danforth Prince. Spain 2012. New Jersey: John Wiley & Sons, Inc., 2012.

MLA (9th ed.) Citation

Porter, Darwin, and Danforth Prince. Spain 2012. John Wiley & Sons, Inc., 2012.

Warning: These citations may not always be 100% accurate.