APA (7th ed.) Citation

Sheeran, E. (2011). + [Plus sign] (Deluxe ed.). Warner Music UK.

Chicago Style (17th ed.) Citation

Sheeran, Ed. + [Plus Sign]. Deluxe ed. [United Kingdom]: Warner Music UK, 2011.

MLA (9th ed.) Citation

Sheeran, Ed. + [Plus Sign]. Deluxe ed. Warner Music UK, 2011.

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