APA (7th ed.) Citation

Rosenberg, R. R. (1945). Essentials of American business law. The Gregg Pub. Co..

Chicago Style (17th ed.) Citation

Rosenberg, R. Robert. Essentials of American Business Law. New York : Chicago [etc.]: The Gregg Pub. Co., 1945.

MLA (8th ed.) Citation

Rosenberg, R. Robert. Essentials of American Business Law. The Gregg Pub. Co., 1945.