APA (7th ed.) Citation
(2009). The Church Problem for Countable Ordinals. Logical Methods in Computer Science.
Chicago Style (17th ed.) Citation
"The Church Problem for Countable Ordinals." Logical Methods in Computer Science 2009.
MLA (9th ed.) Citation
"The Church Problem for Countable Ordinals." Logical Methods in Computer Science, 2009.
Warning: These citations may not always be 100% accurate.