Citazione Stile APA (7a Edizione)

Daniels, J. (1920). German submarine activities on the Atlantic Coast of the United States and Canada. Govermment Printing Office.

Citazione stile Chigago Style (17a edizione)

Daniels, Josephus. German Submarine Activities on the Atlantic Coast of the United States and Canada. Washington: Govermment Printing Office, 1920.

Citatione MLA (9a ed.)

Daniels, Josephus. German Submarine Activities on the Atlantic Coast of the United States and Canada. Govermment Printing Office, 1920.