APA (7th ed.) Citation

Ivan, P., & Tomčík, R. (2013). Bulletin o pozorovaní Slnka na Slovensku 2012 =: Bulletin of the solar observations in Slovakia 2012. Hvezdáreň a planetárium v Prešove.

Chicago Style (17th ed.) Citation

Ivan, Peter, and Roman Tomčík. Bulletin O Pozorovaní Slnka Na Slovensku 2012 =: Bulletin of the Solar Observations in Slovakia 2012. Prešov: Hvezdáreň a planetárium v Prešove, 2013.

MLA (9th ed.) Citation

Ivan, Peter, and Roman Tomčík. Bulletin O Pozorovaní Slnka Na Slovensku 2012 =: Bulletin of the Solar Observations in Slovakia 2012. Hvezdáreň a planetárium v Prešove, 2013.