APA (7th ed.) Citation

Fröhlich, F. (1968). Logical and metaphysical differences between works of art, objets trouvés, and natural objects.

Chicago Style (17th ed.) Citation

Fröhlich, Fanchon. Logical and Metaphysical Differences Between Works of Art, Objets Trouvés, and Natural Objects. 1968.

MLA (9th ed.) Citation

Fröhlich, Fanchon. Logical and Metaphysical Differences Between Works of Art, Objets Trouvés, and Natural Objects. 1968.

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