APA (7th ed.) Citation

Marshall, G. (2011). Valentine's day [. New Line Cinema.

Chicago Style (17th ed.) Citation

Marshall, Garry. Valentine's Day [. s.l.: New Line Cinema, 2011.

MLA (9th ed.) Citation

Marshall, Garry. Valentine's Day [. New Line Cinema, 2011.

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