Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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