APA Style

Thomas, Richard S., Conkling, Edger C.. (1968). The Geography Of Economic Activity (SECOND EDITION). The United States of America: McGRAW- HILL BOOK COMPANY.

Chicago Style

Thomas, Richard S., Conkling, Edger C.. The Geography Of Economic Activity. SECOND EDITION The United States of America: McGRAW- HILL BOOK COMPANY, 1968. Print.

MLA Style

Thomas, Richard S., Conkling, Edger C.. The Geography Of Economic Activity. SECOND EDITION The United States of America: McGRAW- HILL BOOK COMPANY, 1968. Print.

Turabian Style

Thomas, Richard S., Conkling, Edger C.. The Geography Of Economic Activity. SECOND EDITION The United States of America: McGRAW- HILL BOOK COMPANY, 1968. Print.