Cita APA (7a ed.)

Krueger, R., Corder, R., & Koegler, J. (1991). This land of ours: A new geography of Canada. Harcourt Brace Jovanovich.

Cita Chicago Style (17a ed.)

Krueger, Ralph, Ray Corder, y John Koegler. This Land of Ours: A New Geography of Canada. Toronto [u.a.]: Harcourt Brace Jovanovich, 1991.

Cita MLA (9a ed.)

Krueger, Ralph, et al. This Land of Ours: A New Geography of Canada. Harcourt Brace Jovanovich, 1991.