APA (7th ed.) Citation

Gruber, R. I. (1934). Richard Vagner 1883 - 1933. Gos. muz. Izd.

Chicago Style (17th ed.) Citation

Gruber, Roman I. Richard Vagner 1883 - 1933. Moskva: Gos. muz. Izd, 1934.

MLA (9th ed.) Citation

Gruber, Roman I. Richard Vagner 1883 - 1933. Gos. muz. Izd, 1934.

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