APA (7th ed.) Citation

Stupka, A. A. (2014). Frequencies of long-wave phonon-polaritons and optical phonons in diatomic ionic crystals.

Chicago Style (17th ed.) Citation

Stupka, A. A. Frequencies of Long-wave Phonon-polaritons and Optical Phonons in Diatomic Ionic Crystals. 2014.

MLA (8th ed.) Citation

Stupka, A. A. Frequencies of Long-wave Phonon-polaritons and Optical Phonons in Diatomic Ionic Crystals. 2014.

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