APA (7th ed.) Citation

Krimmer, R., Prentza, A., & Mamrot, S. (2021). The Once-Only Principle: The TOOP Project. Springer Nature.

Chicago Style (17th ed.) Citation

Krimmer, Robert, Andriana Prentza, and Szymon Mamrot. The Once-Only Principle: The TOOP Project. Springer Nature, 2021.

MLA (9th ed.) Citation

Krimmer, Robert, et al. The Once-Only Principle: The TOOP Project. Springer Nature, 2021.