Cita APA (7a ed.)

Proceedings of the Annual Meeting of the Oregon Seed Growers League Portland,1957 dec 5-7, & Oregon Seed Growers League. (1957). Proceedings of the Annual Meeting of the Oregon Seed Growers League. [editor no identificado].

Cita Chicago Style (17a ed.)

Proceedings of the Annual Meeting of the Oregon Seed Growers League Portland,1957 dec 5-7, y Oregon Seed Growers League. Proceedings of the Annual Meeting of the Oregon Seed Growers League. Oregon: [editor no identificado], 1957.

Cita MLA (8a ed.)

Proceedings of the Annual Meeting of the Oregon Seed Growers League Portland,1957 dec 5-7, y Oregon Seed Growers League. Proceedings of the Annual Meeting of the Oregon Seed Growers League. [editor no identificado], 1957.