APA (7th ed.) Citation

International Congress of Entomology Amsterdam. (1953). Symposia of the IXth International Congress of Entomology: Amsterdam, August 17-24, 1951. W. Junk.

Chicago Style (17th ed.) Citation

International Congress of Entomology Amsterdam. Symposia of the IXth International Congress of Entomology: Amsterdam, August 17-24, 1951. The Hague: W. Junk, 1953.

MLA (9th ed.) Citation

International Congress of Entomology Amsterdam. Symposia of the IXth International Congress of Entomology: Amsterdam, August 17-24, 1951. W. Junk, 1953.