APA (7th ed.) Citation

Langner, W. Z., Farren, L., & Farren, S. (1967). Ex libris Lila And Stefan Farren.

Chicago Style (17th ed.) Citation

Langner, Wiktor Zbigniew, Lila Farren, and Stefan Farren. Ex Libris Lila And Stefan Farren. 1967.

MLA (9th ed.) Citation

Langner, Wiktor Zbigniew, et al. Ex Libris Lila And Stefan Farren. 1967.