APA (7th ed.) Citation

Community Free School (Boulder, Colo.). (1970). Boulder express. Community Free School of Boulder.

Chicago Style (17th ed.) Citation

Community Free School (Boulder, Colo.). Boulder Express. Boulder, Colo.: Community Free School of Boulder, 1970.

MLA (8th ed.) Citation

Community Free School (Boulder, Colo.). Boulder Express. Community Free School of Boulder, 1970.

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