APA (7th ed.) Citation

Guardini, R., & Farkašová, E. O starnutí.

Chicago Style (17th ed.) Citation

Guardini, Romano, and Etela Farkašová. O Starnutí.

MLA (9th ed.) Citation

Guardini, Romano, and Etela Farkašová. O Starnutí.

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