APA (7th ed.) Citation

Georgiev, V. I. (1981). Introduction to the History of the Indo-European Languages (third ed.).

Chicago Style (17th ed.) Citation

Georgiev, Vladimir I. Introduction to the History of the Indo-European Languages (third Ed.). Sofia, 1981.

MLA (8th ed.) Citation

Georgiev, Vladimir I. Introduction to the History of the Indo-European Languages (third Ed.). 1981.