APA (7th ed.) Citation

Callmann, E. (1957). A quattrocento Jigsaw puzzle.

Chicago Style (17th ed.) Citation

Callmann, Ellen. A Quattrocento Jigsaw Puzzle. 1957.

MLA (9th ed.) Citation

Callmann, Ellen. A Quattrocento Jigsaw Puzzle. 1957.

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