Citazione APA

Mac Gregor, E., & Greenwood, C. (1980). Polymers in nature. John wiley.

Stile di citazione Chicago

Mac Gregor, E.A, e C.T Greenwood. Polymers in Nature. Chichester: John wiley, 1980.

Citazione MLA

Mac Gregor, E.A, e C.T Greenwood. Polymers in Nature. John wiley, 1980.