APA
Devries H. A., . (1974). Vigor regained: A simple, proven home program for restoring fitness and vitality. New Jersey: Prentice-Hall of India Pvt. Ltd.
Chicago
Devries Herbert A, . 1974. Vigor regained: A simple, proven home program for restoring fitness and vitality. New Jersey: Prentice-Hall of India Pvt. Ltd.
Harvard
Devries H. A., . (1974). Vigor regained: A simple, proven home program for restoring fitness and vitality. New Jersey: Prentice-Hall of India Pvt. Ltd.
MLA
Devries Herbert A, . Vigor regained: A simple, proven home program for restoring fitness and vitality. New Jersey: Prentice-Hall of India Pvt. Ltd. 1974.