APA (7th ed.) Citation

Sonneveldt, T. (1982). Commemoration stone on the place where was the grave of Karl Marx before 1956. Highgate cemetry, London. The original stone was immured in the Marx-statue. See BG B3/2.

Chicago Style (17th ed.) Citation

Sonneveldt, Ton. Commemoration Stone on the Place Where Was the Grave of Karl Marx Before 1956. Highgate Cemetry, London. The Original Stone Was Immured in the Marx-statue. See BG B3/2. 1982.

MLA (8th ed.) Citation

Sonneveldt, Ton. Commemoration Stone on the Place Where Was the Grave of Karl Marx Before 1956. Highgate Cemetry, London. The Original Stone Was Immured in the Marx-statue. See BG B3/2. 1982.