APA (7th ed.) Citation

Adam Matthew Digital (Firm). (2019). Columbo Conference, January 1950. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Adam Matthew Digital (Firm). Columbo Conference, January 1950. Marlborough, Wiltshire: Adam Matthew Digital, 2019.

MLA (9th ed.) Citation

Adam Matthew Digital (Firm). Columbo Conference, January 1950. Adam Matthew Digital, 2019.

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