APA (7th ed.) Citation

Jacobson, E. (1980). You must relax / (by) Edmund Jacobson ((5th ed., revised and enlarged).). Unwin Paperbacks.

Chicago Style (17th ed.) Citation

Jacobson, Edmund. You Must Relax / (by) Edmund Jacobson. (5th ed., revised and enlarged). London (etc.): Unwin Paperbacks, 1980.

MLA (9th ed.) Citation

Jacobson, Edmund. You Must Relax / (by) Edmund Jacobson. (5th ed., revised and enlarged). Unwin Paperbacks, 1980.

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