APA (7th ed.) Citation

Nikitin, S. S. In memory of professor Irena Gausmanova-Petrusevich (1917–2015). ABV-press.

Chicago Style (17th ed.) Citation

Nikitin, S. S. In Memory of Professor Irena Gausmanova-Petrusevich (1917–2015). ABV-press.

MLA (9th ed.) Citation

Nikitin, S. S. In Memory of Professor Irena Gausmanova-Petrusevich (1917–2015). ABV-press.

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