APA (7th ed.) Citation
(2017). A Few Notes on Formal Balls. Logical Methods in Computer Science.
Chicago Style (17th ed.) Citation
"A Few Notes on Formal Balls." Logical Methods in Computer Science 2017.
MLA (9th ed.) Citation
"A Few Notes on Formal Balls." Logical Methods in Computer Science, 2017.
Warning: These citations may not always be 100% accurate.