APA

Nichols R. L., . (1999). The American Indian: past and present. New York: McGraw-Hill College.

Chicago

Nichols Roger L, . 1999. The American Indian: past and present. New York: McGraw-Hill College.

Harvard

Nichols R. L., . (1999). The American Indian: past and present. New York: McGraw-Hill College.

MLA

Nichols Roger L, . The American Indian: past and present. New York: McGraw-Hill College. 1999.