APA (7th ed.) Citation

Thos. Walker & Son, Ltd. (1927). Walker's patent ship-logs.

Chicago Style (17th ed.) Citation

Thos. Walker & Son, Ltd. Walker's Patent Ship-logs. Birmingham, 1927.

MLA (9th ed.) Citation

Thos. Walker & Son, Ltd. Walker's Patent Ship-logs. 1927.

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