APA (7th ed.) Citation

Tregaskis, M. Printing. James Tregaskis & Son.

Chicago Style (17th ed.) Citation

Tregaskis, Messrs. Printing. London: James Tregaskis & Son.

MLA (9th ed.) Citation

Tregaskis, Messrs. Printing. James Tregaskis & Son.

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