APA Citation

Gerhold, H. D. (1979). Selectıng and Growıng Better Landscape Trees For Northeastern Unıted States. The Pennsylvanıa State Unıversıty.

Chicago Style Citation

Gerhold, Henry D. Selectıng and Growıng Better Landscape Trees For Northeastern Unıted States. The Pennsylvanıa State Unıversıty, 1979.

MLA Citation

Gerhold, Henry D. Selectıng and Growıng Better Landscape Trees For Northeastern Unıted States. The Pennsylvanıa State Unıversıty, 1979.

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