Cita APA

Spiller, R. E., & Emerson, R. W. Collected works of Ralph Waldo Emerson.

Citación estilo Chicago

Spiller, Robert E., y Ralph Waldo Emerson. Collected Works of Ralph Waldo Emerson. New York.

Cita MLA

Spiller, Robert E., y Ralph Waldo Emerson. Collected Works of Ralph Waldo Emerson.