APA

Parrington V. L., . (2027). Main currents in american thought. Estados Unidos: Harcourtbrace and company new york.

Chicago

Parrington Vernon Louis, . 2027. Main currents in american thought. Estados Unidos: Harcourtbrace and company new york.

Harvard

Parrington V. L., . (2027). Main currents in american thought. Estados Unidos: Harcourtbrace and company new york.

MLA

Parrington Vernon Louis, . Main currents in american thought. Estados Unidos: Harcourtbrace and company new york. 2027.