APA (7th ed.) Citation

Allen, J. (1924). State of Washington showing state highways and principal county roads. Shell Oil Company of California.

Chicago Style (17th ed.) Citation

Allen, James. State of Washington Showing State Highways and Principal County Roads. California: Shell Oil Company of California, 1924.

MLA (8th ed.) Citation

Allen, James. State of Washington Showing State Highways and Principal County Roads. Shell Oil Company of California, 1924.

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