APA (7th ed.) Citation

Deir, E., Deir, P., & Hubbard, K. (1981). Canada. Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Deir, Elspeth, Paul Deir, and Keith Hubbard. Canada. Toronto: Holt, Rinehart and Winston, 1981.

MLA (9th ed.) Citation

Deir, Elspeth, et al. Canada. Holt, Rinehart and Winston, 1981.