APA (7th ed.) Citation

Ryong, J. B. Preface. EDP Sciences.

Chicago Style (17th ed.) Citation

Ryong, Jeong Byoung. Preface. EDP Sciences.

MLA (9th ed.) Citation

Ryong, Jeong Byoung. Preface. EDP Sciences.

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