APA (7th ed.) Citation

Leonard, W. A. (1966). Houston city directory for 1866. [R.L. Polk].

Chicago Style (17th ed.) Citation

Leonard, W. A. Houston City Directory for 1866. [Dallas]: [R.L. Polk], 1966.

MLA (9th ed.) Citation

Leonard, W. A. Houston City Directory for 1866. [R.L. Polk], 1966.

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