APA (7th ed.) Citation

(1983). Watch-keys: 3 centuries of history and development (1. publ.). Günther.

Chicago Style (17th ed.) Citation

Watch-keys: 3 Centuries of History and Development. 1. publ. Münchberg: Günther, 1983.

MLA (9th ed.) Citation

Watch-keys: 3 Centuries of History and Development. 1. publ. Günther, 1983.

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