APA (7th ed.) Citation

Doorn, P. Historical Databases, Big and Small. International Institute of Social History.

Chicago Style (17th ed.) Citation

Doorn, Peter. Historical Databases, Big and Small. International Institute of Social History.

MLA (9th ed.) Citation

Doorn, Peter. Historical Databases, Big and Small. International Institute of Social History.

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