APA (7th ed.) Citation

Stryjec, R., & Bieńkowski, Z. (1973). Ex libris Zbigniew Bieńkowski.

Chicago Style (17th ed.) Citation

Stryjec, Ryszard, and Zbigniew Bieńkowski. Ex Libris Zbigniew Bieńkowski. 1973.

MLA (9th ed.) Citation

Stryjec, Ryszard, and Zbigniew Bieńkowski. Ex Libris Zbigniew Bieńkowski. 1973.

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