Ray, P. H. (1885). Report of the International Polar Expedition to Point Barrow, Alaska, in response to the Resolution of the House of Representatives of december 11, 1884 (1a. ed.). Government Printing Office.
Cita Chicago (17th ed.)Ray, P. Henry. Report of the International Polar Expedition to Point Barrow, Alaska, in Response to the Resolution of the House of Representatives of December 11, 1884. 1a. ed. Washington, D.C: Government Printing Office, 1885.
Cita MLA (9th ed.)Ray, P. Henry. Report of the International Polar Expedition to Point Barrow, Alaska, in Response to the Resolution of the House of Representatives of December 11, 1884. 1a. ed. Government Printing Office, 1885.
Atenció: Aquestes cites poden no estar 100% correctes.