APA (7th ed.) Citation

Stanley Gibbons Ltd. & Phillips, S. (1937). Stanley Gibbons' simplified stamp catalogue (Fifth edition.). Stanley Gibbons.

Chicago Style (17th ed.) Citation

Stanley Gibbons Ltd. and Stanley Phillips. Stanley Gibbons' Simplified Stamp Catalogue. Fifth edition. London: Stanley Gibbons, 1937.

MLA (9th ed.) Citation

Stanley Gibbons Ltd. and Stanley Phillips. Stanley Gibbons' Simplified Stamp Catalogue. Fifth edition. Stanley Gibbons, 1937.

Warning: These citations may not always be 100% accurate.