APA
Pimentel D., Hall C. W., . (1984). Food and energy resources. Orlando: Academic Pres.
Chicago
Pimentel David, Hall Carl W, . 1984. Food and energy resources. Orlando: Academic Pres.
Harvard
Pimentel D., Hall C. W., . (1984). Food and energy resources. Orlando: Academic Pres.
MLA
Pimentel David, Hall Carl W, . Food and energy resources. Orlando: Academic Pres. 1984.