Cita APA (7a ed.)

International Horticultural Congress The Hague. (1956). Report. H. Veenman.

Cita Chicago Style (17a ed.)

International Horticultural Congress The Hague. Report. Wageningen, Netherlands: H. Veenman, 1956.

Cita MLA (8a ed.)

International Horticultural Congress The Hague. Report. H. Veenman, 1956.