Cita APA (7a ed.)

Eleventh International Botanical Congres Seattle. (1972). Report on Botanical nomenclature seattle 1969. International Bureau for Plant Taxonomy.

Cita Chicago Style (17a ed.)

Eleventh International Botanical Congres Seattle. Report on Botanical Nomenclature Seattle 1969. Netherlands: International Bureau for Plant Taxonomy, 1972.

Cita MLA (9a ed.)

Eleventh International Botanical Congres Seattle. Report on Botanical Nomenclature Seattle 1969. International Bureau for Plant Taxonomy, 1972.