APA (7th ed.) Citation

Warren, L. (1992). Leonard Warren - Portraits in memory. Metropolitan Opera Guild.

Chicago Style (17th ed.) Citation

Warren, Leonard. Leonard Warren - Portraits in Memory. [New York]: Metropolitan Opera Guild, 1992.

MLA (9th ed.) Citation

Warren, Leonard. Leonard Warren - Portraits in Memory. Metropolitan Opera Guild, 1992.

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