APA Style

Muller, P, O, (, H, J, D, B. (1991). Geography Regions and Concepts (-). New York: New York: John Wiley & Sons,.

MLA Style

Muller, Peter, O, (dan, Harun, J., De, Blis). "Geography Regions and Concepts". - New York: New York: John Wiley & Sons,, 1991. Universitas.