Citazione Stile APA (7a Edizione)

Wieczynski, J. L. (1979). Helsinki Agreement of 1875 - Ishimka Treasure. Acad. Int. Press.

Citazione stile Chigago Style (17a edizione)

Wieczynski, Joseph L. Helsinki Agreement of 1875 - Ishimka Treasure. Gulf Breeze: Acad. Int. Press, 1979.

Citatione MLA (8a ed.)

Wieczynski, Joseph L. Helsinki Agreement of 1875 - Ishimka Treasure. Acad. Int. Press, 1979.