APA (7th ed.) Citation

Dunn, R., & Wallis, H. (1999). British globes up to 1850: A provisional inventory. [publisher not identified].

Chicago Style (17th ed.) Citation

Dunn, Richard, and Helen Wallis. British Globes Up to 1850: A Provisional Inventory. London: [publisher not identified], 1999.

MLA (9th ed.) Citation

Dunn, Richard, and Helen Wallis. British Globes Up to 1850: A Provisional Inventory. [publisher not identified], 1999.