APA (7th ed.) Citation

Tykoson, D. (2003). References at Its Core: The Reference Interview. Reference & User Services Quarterly, 43(1), 49.

Chicago Style (17th ed.) Citation

Tykoson, David. "References at Its Core: The Reference Interview." Reference & User Services Quarterly 43, no. 1 (2003): 49.

MLA (9th ed.) Citation

Tykoson, David. "References at Its Core: The Reference Interview." Reference & User Services Quarterly, vol. 43, no. 1, 2003, p. 49.