Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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