APA (7th ed.) Citation

Adam Matthew Digital (Firm). (2018). [White button, inscribed "222"]. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Adam Matthew Digital (Firm). [White Button, Inscribed "222"]. Marlborough, Wiltshire: Adam Matthew Digital, 2018.

MLA (9th ed.) Citation

Adam Matthew Digital (Firm). [White Button, Inscribed "222"]. Adam Matthew Digital, 2018.

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