APA (7th ed.) Citation

Smeets, L., & Seger, A. (1956). Zekerheid [Bladmuziek]. Hilversum: Harmonia.

Chicago Style (17th ed.) Citation

Smeets, Leo, and Agatha Seger. Zekerheid [Bladmuziek]. Hilversum: Harmonia, 1956.

MLA (8th ed.) Citation

Smeets, Leo, and Agatha Seger. Zekerheid [Bladmuziek]. Hilversum: Harmonia, 1956.

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