APA

Miller E. W., American Society for Professional Geographers (Washington D. C.), .The American Society for Professional Geographers. s.l: Association of American Geographers.

Chicago

Miller E Willard, American Society for Professional Geographers (Washington D. C.), .The American Society for Professional Geographers. s.l: Association of American Geographers.

Harvard

Miller E. W., American Society for Professional Geographers (Washington D. C.), .The American Society for Professional Geographers. s.l: Association of American Geographers.

MLA

Miller E Willard, American Society for Professional Geographers (Washington D. C.), .s.l: Association of American Geographers. .