APA (7th ed.) Citation

Hoare, C. (1978). Everything You've Wanted to Know about Programming Languages but Have Been Afraid to Ask.

Chicago Style (17th ed.) Citation

Hoare, C. Everything You've Wanted to Know About Programming Languages but Have Been Afraid to Ask. 1978.

MLA (9th ed.) Citation

Hoare, C. Everything You've Wanted to Know About Programming Languages but Have Been Afraid to Ask. 1978.

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