APA (7th ed.) Citation

Learn, L. L. (1996). Confronting Telephone Number Exhaustion (or, What Do You Do When Your Numbers Are Up?).

Chicago Style (17th ed.) Citation

Learn, Larry L. Confronting Telephone Number Exhaustion (or, What Do You Do When Your Numbers Are Up?). 1996.

MLA (9th ed.) Citation

Learn, Larry L. Confronting Telephone Number Exhaustion (or, What Do You Do When Your Numbers Are Up?). 1996.

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