APA (7th ed.) Citation

Apt, K. R., & Plotkin, G. D. (1982). Countable nondeterminism and random assignment.

Chicago Style (17th ed.) Citation

Apt, Krzysztof R., and Gordon D. Plotkin. Countable Nondeterminism and Random Assignment. Edinburgh, 1982.

MLA (9th ed.) Citation

Apt, Krzysztof R., and Gordon D. Plotkin. Countable Nondeterminism and Random Assignment. 1982.

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