APA (7th ed.) Citation

Clark, D., & Harris, C. (1978). Can Users be Instructed by Package?

Chicago Style (17th ed.) Citation

Clark, Daphne, and Colin Harris. Can Users Be Instructed by Package? 1978.

MLA (9th ed.) Citation

Clark, Daphne, and Colin Harris. Can Users Be Instructed by Package? 1978.

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