APA (7th ed.) Citation

Higgins, J., & Witkowski, P. (1990). Mroczna strona ulicy. Amber.

Chicago Style (17th ed.) Citation

Higgins, Jack, and Paweł Witkowski. Mroczna Strona Ulicy. Poznań: Amber, 1990.

MLA (9th ed.) Citation

Higgins, Jack, and Paweł Witkowski. Mroczna Strona Ulicy. Amber, 1990.

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