APA (7th ed.) Citation

Pfleger, R. E. (1977). Green leaves: A history of the Davey Tree Expert Company. Pequot Press.

Chicago Style (17th ed.) Citation

Pfleger, Robert E. Green Leaves: A History of the Davey Tree Expert Company. Chester, Conn.: Pequot Press, 1977.

MLA (9th ed.) Citation

Pfleger, Robert E. Green Leaves: A History of the Davey Tree Expert Company. Pequot Press, 1977.