Tohutoro APA (7th ed.)

Gustafson, R. (1987). Winter prophecies. McClelland and Stewart.

Tohutoru Kātū Chicago (17th ed.)

Gustafson, Ralph. Winter Prophecies. Toronto: McClelland and Stewart, 1987.

Tohutoro MLA (9th ed.)

Gustafson, Ralph. Winter Prophecies. McClelland and Stewart, 1987.