History and theory of film (Polish film, Spanish film, Mexican cinema); film analysis and interpretation; emotions in art, especially in cinematic art, issues of values as well the sacred and profane in art, especially in cinematic art.
Her book Filmowy świat Pedra Almodóvara. Uniwersum emocji (2007, Białystok) [The Cinematic World of Pedro Almodóvar. The Universe of Emotions] written thanks to a scholarship of the Spanish Ministry of Foreign Affairs "Becas MAE" and a residency query in Madrid, was submitted in 2008 for the ministerial award. She is the author and co-author of 7 books in the area of cultural studies and over 50 articles published in collective works and journals, in Polish, English and Spanish. The result of her latest research is a book written together with Tomasz Adamski, Krzysztof Arcimowicz and Ewa Kępa, i.e. The World of Values and Its Representations in Contemporary Films and Series published in 2018.
Katarzyna Citko also writes poems. She is the author of 5 volumes of poetry:
- Zielnik niedokończony [Unfinished Herbarium] (1991)
- Ptasie pismo [Bird letters] (2004)
- Post tenebras Lux - Orfeusz Mazurski 2015 literary prize for the best volume of the year
- Tryptyk z trzema sonetami [Triptych with three sonnets] (2016)
- Ogród zapieczętowany [The Sealed Garden] (2022)
