APA (7th ed.) Citation

Harmer, G. R., & Costales, E. N. (1962). Scott's standard postage stamp catalogue: (the encyclopedia of philately). Scott publications.

Chicago Style (17th ed.) Citation

Harmer, Gordon R., and Eugene N. Costales. Scott's Standard Postage Stamp Catalogue: (the Encyclopedia of Philately). New York: Scott publications, 1962.

MLA (9th ed.) Citation

Harmer, Gordon R., and Eugene N. Costales. Scott's Standard Postage Stamp Catalogue: (the Encyclopedia of Philately). Scott publications, 1962.