APA (7th ed.) Citation

Philadelphia Society for Promoting Agriculture. (1988). Proceedings of the Philadelphia Society for Promoting Agriculture, 1986-1987. The Society.

Chicago Style (17th ed.) Citation

Philadelphia Society for Promoting Agriculture. Proceedings of the Philadelphia Society for Promoting Agriculture, 1986-1987. Philadelphia, PA: The Society, 1988.

MLA (9th ed.) Citation

Philadelphia Society for Promoting Agriculture. Proceedings of the Philadelphia Society for Promoting Agriculture, 1986-1987. The Society, 1988.