APA (7th ed.) Citation

Campbell, S. V., & Brown, D. L. (1979). Splitting firewood (Rev. 1/15/79.). Colorado State University Extension Service.

Chicago Style (17th ed.) Citation

Campbell, Sidney V., and Delmer L. Brown. Splitting Firewood. Rev. 1/15/79. Fort Collins, Colo.: Colorado State University Extension Service, 1979.

MLA (9th ed.) Citation

Campbell, Sidney V., and Delmer L. Brown. Splitting Firewood. Rev. 1/15/79. Colorado State University Extension Service, 1979.