APA (7th ed.) Citation

Lanfranconi, A., & Krzemień-Ojak, K. Lektura Weltalter.

Chicago Style (17th ed.) Citation

Lanfranconi, Aldo, and Krystyna Krzemień-Ojak. Lektura Weltalter.

MLA (9th ed.) Citation

Lanfranconi, Aldo, and Krystyna Krzemień-Ojak. Lektura Weltalter.

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