APA (7th ed.) Citation

Bell, A. G. The Telephone: A lecture entitled Researches in Electric Telephony.

Chicago Style (17th ed.) Citation

Bell, Alexander Graham. The Telephone: A Lecture Entitled Researches in Electric Telephony.

MLA (9th ed.) Citation

Bell, Alexander Graham. The Telephone: A Lecture Entitled Researches in Electric Telephony.

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