APA

(1964). Scott's standard postage stamp catalogue (The encyclopedia of philately). N.Y: Scott publications.

Chicago

1964. Scott's standard postage stamp catalogue (The encyclopedia of philately). N.Y: Scott publications.

Harvard

(1964). Scott's standard postage stamp catalogue (The encyclopedia of philately). N.Y: Scott publications.

MLA

Scott's standard postage stamp catalogue (The encyclopedia of philately). N.Y: Scott publications. 1964.