Gaya APA

RITCHIE, D, A., Broussard, A, S. (1997). AMERICAN HISTORY : The early years to 1877 . USA: McGraw Hill.

Gaya MLA

RITCHIE, Donald, A.., Broussard, Albert, S.. "AMERICAN HISTORY : The early years to 1877". USA: McGraw Hill, 1997. Text.