APA (7th ed.) Citation

Boldis, J. (1970). The Theory of Librarianship in the System of Sciences.

Chicago Style (17th ed.) Citation

Boldis, Josef. The Theory of Librarianship in the System of Sciences. 1970.

MLA (9th ed.) Citation

Boldis, Josef. The Theory of Librarianship in the System of Sciences. 1970.

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