APA (7th ed.) Citation

Horanský, P., Marejka, M., Kollár, T., & Lacika, J. Hrady.

Chicago Style (17th ed.) Citation

Horanský, Peter, Miroslav Marejka, Tibor Kollár, and Ján Lacika. Hrady.

MLA (9th ed.) Citation

Horanský, Peter, et al. Hrady.