APA (7th ed.) Citation
(2017). Statman's Hierarchy Theorem. Logical Methods in Computer Science.
Chicago Style (17th ed.) Citation
"Statman's Hierarchy Theorem." Logical Methods in Computer Science 2017.
MLA (9th ed.) Citation
"Statman's Hierarchy Theorem." Logical Methods in Computer Science, 2017.
Warning: These citations may not always be 100% accurate.