APA (7th ed.) Citation

Não informado. (1968). IBP inter-american news. National Committee, International Biological Programme.

Chicago Style (17th ed.) Citation

Não informado. IBP Inter-american News. Washington: National Committee, International Biological Programme, 1968.

MLA (8th ed.) Citation

Não informado. IBP Inter-american News. National Committee, International Biological Programme, 1968.

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