Cita APA (7a ed.)

Wagenknecht, E. (1955). Longfellow: A full-length portrait. Longmans, Green.

Cita Chicago Style (17a ed.)

Wagenknecht, Edward. Longfellow: A Full-length Portrait. New York [etc.]: Longmans, Green, 1955.

Cita MLA (9a ed.)

Wagenknecht, Edward. Longfellow: A Full-length Portrait. Longmans, Green, 1955.