APA
Pressman David,, . (1987). Patent it yourself. Berkeley: Molo Press.
Chicago
Pressman David,, . 1987. Patent it yourself. Berkeley: Molo Press.
Harvard
Pressman David,, . (1987). Patent it yourself. Berkeley: Molo Press.
MLA
Pressman David,, . Patent it yourself. Berkeley: Molo Press. 1987.