APA (7th ed.) Citation

(1967). Lapenna speaking at the opening of the world-congress in "De Doelen".

Chicago Style (17th ed.) Citation

Lapenna Speaking at the Opening of the World-congress in "De Doelen". 1967.

MLA (8th ed.) Citation

Lapenna Speaking at the Opening of the World-congress in "De Doelen". 1967.

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