APA (7th ed.) Citation
Unitrade Press, Chung, A., & Narbonne, R. F. The New Specialized Catalogue of Canada Post Official First Day Covers: 1997 Covering 25 years of Canada Post Official First Day Covers (Primera edición.).
Chicago Style (17th ed.) Citation
Unitrade Press, Andrew Chung, and R. F. Narbonne. The New Specialized Catalogue of Canada Post Official First Day Covers: 1997 Covering 25 Years of Canada Post Official First Day Covers. Primera edición.
MLA (9th ed.) Citation
Unitrade Press, et al. The New Specialized Catalogue of Canada Post Official First Day Covers: 1997 Covering 25 Years of Canada Post Official First Day Covers. Primera edición.
Warning: These citations may not always be 100% accurate.