Evergreen form studies; design characteristics of conifers.
MLA
Robbinette, G. O. Evergreen Form Studies; Design Characteristics of Conifers. [S.l.]: Van Nostrand Reinhold company, 1983.
APA
Robbinette, G. O. (1983). Evergreen form studies; design characteristics of conifers. [S.l.]: Van Nostrand Reinhold company.
Chicago
Robbinette, G. O. Evergreen Form Studies; Design Characteristics of Conifers. [S.l.]: Van Nostrand Reinhold company, 1983.