APA (7th ed.) Citation

Sajaniemi, J. (1981). An exercise in syntactic definition-expressions in typeless languages.

Chicago Style (17th ed.) Citation

Sajaniemi, Jorma. An Exercise in Syntactic Definition-expressions in Typeless Languages. Joensuu, 1981.

MLA (9th ed.) Citation

Sajaniemi, Jorma. An Exercise in Syntactic Definition-expressions in Typeless Languages. 1981.

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