Cita APA (7th ed.)

Study Week on Natural Products and the Protection of Plants & Marini-Bettolo, G. (1977). Natural products and the protection of plants: Proceedings. Elsevier Scientific Publishing Company.

Cita Chicago (17th ed.)

Study Week on Natural Products and the Protection of Plants i G.B Marini-Bettolo. Natural Products and the Protection of Plants: Proceedings. Amsterdam: Elsevier Scientific Publishing Company, 1977.

Cita MLA (9th ed.)

Study Week on Natural Products and the Protection of Plants i G.B Marini-Bettolo. Natural Products and the Protection of Plants: Proceedings. Elsevier Scientific Publishing Company, 1977.