APA (7th ed.) Citation

Bortowski, A., & Mantero, G. (1964). Ex Libris Gianni Mantero.

Chicago Style (17th ed.) Citation

Bortowski, Andrzej, and Gianni Mantero. Ex Libris Gianni Mantero. 1964.

MLA (9th ed.) Citation

Bortowski, Andrzej, and Gianni Mantero. Ex Libris Gianni Mantero. 1964.

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