APA (7th ed.) Citation

Kirk, T. (1957). Key to sight reading for all voices. Pro Art Publications.

Chicago Style (17th ed.) Citation

Kirk, Theron. Key to Sight Reading for All Voices. Westbury, N. Y.: Pro Art Publications, 1957.

MLA (9th ed.) Citation

Kirk, Theron. Key to Sight Reading for All Voices. Pro Art Publications, 1957.