APA (7th ed.) Citation

Schwartz, H. S. (1955). The art of relaxation / by Herman S. Schwartz. Staples Press.

Chicago Style (17th ed.) Citation

Schwartz, Herman S. The Art of Relaxation / by Herman S. Schwartz. Staples Press, 1955.

MLA (9th ed.) Citation

Schwartz, Herman S. The Art of Relaxation / by Herman S. Schwartz. Staples Press, 1955.

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