APA (7th ed.) Citation

Würtz Frandsen, J., & Mortensen, R. Richard Mortensen. Den Kongelige Kobberstiksamling, Statens Museum for Kunst.

Chicago Style (17th ed.) Citation

Würtz Frandsen, Jan, and Richard Mortensen. Richard Mortensen. København: Den Kongelige Kobberstiksamling, Statens Museum for Kunst.

MLA (9th ed.) Citation

Würtz Frandsen, Jan, and Richard Mortensen. Richard Mortensen. Den Kongelige Kobberstiksamling, Statens Museum for Kunst.

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