Cita APA

Pickard, J. B., & Pickard, J. B. (1961). John Greenleaf whittier: An introduction and interpretation. New York, New York: Holt, Rinehart and Winston.

Citación estilo Chicago

Pickard, John B., y John B. Pickard. John Greenleaf Whittier: An Introduction and Interpretation. New York, New York: Holt, Rinehart and Winston, 1961.

Cita MLA

Pickard, John B., y John B. Pickard. John Greenleaf Whittier: An Introduction and Interpretation. New York, New York: Holt, Rinehart and Winston, 1961.