APA (7th ed.) Citation

Lafferty, L. (1991). Helping young hornists. Instrumentalist, 45(11), 52.

Chicago Style (17th ed.) Citation

Lafferty, L. "Helping Young Hornists." Instrumentalist 45, no. 11 (1991): 52.

MLA (9th ed.) Citation

Lafferty, L. "Helping Young Hornists." Instrumentalist, vol. 45, no. 11, 1991, p. 52.