APA (7th ed.) Citation

Sumaruk, Y. (2010). Secular variations at Ukrainian magnetic observatories.

Chicago Style (17th ed.) Citation

Sumaruk, Yu. Secular Variations at Ukrainian Magnetic Observatories. 2010.

MLA (8th ed.) Citation

Sumaruk, Yu. Secular Variations at Ukrainian Magnetic Observatories. 2010.

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