APA (7th ed.) Citation

Duperrex, A. (1961). Orchids of Europe. Blandford Press.

Chicago Style (17th ed.) Citation

Duperrex, Aloys. Orchids of Europe. London: Blandford Press, 1961.

MLA (9th ed.) Citation

Duperrex, Aloys. Orchids of Europe. Blandford Press, 1961.

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