APA (7th ed.) Citation

Kaufmann, G. (1974). Paperweights & Kuriose Postkarten. Altonaer Museum.

Chicago Style (17th ed.) Citation

Kaufmann, Gerhard. Paperweights & Kuriose Postkarten. Hamburg: Altonaer Museum, 1974.

MLA (8th ed.) Citation

Kaufmann, Gerhard. Paperweights & Kuriose Postkarten. Altonaer Museum, 1974.

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