APA (7th ed.) Citation

Back, R. R. (1980). Correctness of explicitly specified procedures (Preprint.).

Chicago Style (17th ed.) Citation

Back, Ralph-Johan R. Correctness of Explicitly Specified Procedures. Preprint. Amsterdam, 1980.

MLA (9th ed.) Citation

Back, Ralph-Johan R. Correctness of Explicitly Specified Procedures. Preprint. 1980.

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