APA Format
Samples, Bob; Wohlford, Bob. (1975.).
Opening : a primer for self - actualization / Bob Samples, Bob Wohlford
. London :: Addison-Wesley Publishing Company,.
MLA Format
Samples, Bob; Wohlford, Bob.
Opening : a primer for self - actualization / Bob Samples, Bob Wohlford
. London :: Addison-Wesley Publishing Company,, 1975.
Chicago Format
Samples, Bob; Wohlford, Bob. Opening : a primer for self - actualization / Bob Samples, Bob Wohlford. London :: Addison-Wesley Publishing Company,, 1975..