Cita APA (7a ed.)

Judson, C. I. (1959). St. Lawrence Seaway. Follett.

Cita Chicago Style (17a ed.)

Judson, Clara Ingram. St. Lawrence Seaway. Chicago: Follett, 1959.

Cita MLA (9a ed.)

Judson, Clara Ingram. St. Lawrence Seaway. Follett, 1959.