APA (7th ed.) Citation

Foster, R. (1912). Liberty of contract and labor laws: Instruction paper. American School of Correspondence.

Chicago Style (17th ed.) Citation

Foster, Roger. Liberty of Contract and Labor Laws: Instruction Paper. Chicago: American School of Correspondence, 1912.

MLA (9th ed.) Citation

Foster, Roger. Liberty of Contract and Labor Laws: Instruction Paper. American School of Correspondence, 1912.

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