Citazione APA

Pearson,Charles, & Anthony,Pryor. Environment: North and south. John Wiley & Sons.

Stile di citazione Chicago

Pearson,Charles, e Anthony,Pryor. Environment: North and South. New York: John Wiley & Sons.

Citazione MLA

Pearson,Charles, e Anthony,Pryor. Environment: North and South. John Wiley & Sons.