APA (7th ed.) Citation

O'Donoghue, S. E. (1928). Clocks and watches in Malta. [publisher not identified].

Chicago Style (17th ed.) Citation

O'Donoghue, Sidney. E. Clocks and Watches in Malta. Washington, D.C.: [publisher not identified], 1928.

MLA (9th ed.) Citation

O'Donoghue, Sidney. E. Clocks and Watches in Malta. [publisher not identified], 1928.