APA (7th ed.) Citation

Gusev, V. A., & Podmogilnaja, N. V. (1989). About the System in Preparation of the Student in Philology.

Chicago Style (17th ed.) Citation

Gusev, V. A., and N. V. Podmogilnaja. About the System in Preparation of the Student in Philology. 1989.

MLA (8th ed.) Citation

Gusev, V. A., and N. V. Podmogilnaja. About the System in Preparation of the Student in Philology. 1989.

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