APA (7th ed.) Citation

American Society of Agronomy & Smith, D. C. (1968). Food for billions: Papers presented at the annual meeting of the American Society of Agronomy in Washington, D.C., Nov. 1967. The Society.

Chicago Style (17th ed.) Citation

American Society of Agronomy and D. C. Smith. Food for Billions: Papers Presented at the Annual Meeting of the American Society of Agronomy in Washington, D.C., Nov. 1967. Madison, Wis.: The Society, 1968.

MLA (9th ed.) Citation

American Society of Agronomy and D. C. Smith. Food for Billions: Papers Presented at the Annual Meeting of the American Society of Agronomy in Washington, D.C., Nov. 1967. The Society, 1968.