APA (7th ed.) Citation

Freund, A. Advances in X-Ray Optics. SPIE Digital Library.

Chicago Style (17th ed.) Citation

Freund, Andreas. Advances in X-Ray Optics. SPIE Digital Library.

MLA (9th ed.) Citation

Freund, Andreas. Advances in X-Ray Optics. SPIE Digital Library.

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