Thirty important forest trees of Maryland.
How to know them ...
APA Citation
Maryland. State Board of Forestry., Besley, F. W. (Fred Wilson). (1922). Thirty important forest trees of Maryland: How to know them ... [Baltimore, Md.].
MLA Citation
Maryland. State Board of Forestry, and F. W. (Fred Wilson) Besley. Thirty Important Forest Trees of Maryland: How to Know Them ... [Baltimore, Md.], 1922.
Warning: These citations may not always be complete (especially for serials).