Citazione Stile APA (7a Edizione)

Ahvenainen, J. (2011). The history of the Near Eastern telegraphs: Before the First World War. Finnish Academy of Science and Letters.

Citazione stile Chigago Style (17a edizione)

Ahvenainen, Jorma. The History of the Near Eastern Telegraphs: Before the First World War. Helsinki: Finnish Academy of Science and Letters, 2011.

Citatione MLA (9a ed.)

Ahvenainen, Jorma. The History of the Near Eastern Telegraphs: Before the First World War. Finnish Academy of Science and Letters, 2011.