APA (7th ed.) Citation

Janson, M., Kromer, C., & Schniederjürgen, A. (2022). World guide to Libraries 2022 (37th Edition.). de Gruyter.

Chicago Style (17th ed.) Citation

Janson, Marlies, Christine Kromer, and Alex Schniederjürgen. World Guide to Libraries 2022. 37th Edition. Berlin Boston: de Gruyter, 2022.

MLA (9th ed.) Citation

Janson, Marlies, et al. World Guide to Libraries 2022. 37th Edition. de Gruyter, 2022.