APA (7th ed.) Citation

Popperfoto, C. V. /. AZ Fotoarchiv.

Chicago Style (17th ed.) Citation

Popperfoto, Copyright VGA. AZ Fotoarchiv.

MLA (8th ed.) Citation

Popperfoto, Copyright VGA. AZ Fotoarchiv.

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