Style de citation APA (7e éd.)

Bump, J. (1979). Providence, "The Wreck of the Deutschland," and a new Hopkins letter. s.n..

Style de citation Chicago (17e éd.)

Bump, Jerome. Providence, "The Wreck of the Deutschland," and a New Hopkins Letter. [s.l.: s.n., 1979.

Style de citation MLA (8e éd.)

Bump, Jerome. Providence, "The Wreck of the Deutschland," and a New Hopkins Letter. s.n., 1979.