APA Style
HELLRIEGEL, D., JR, J, W, S. (1974).
Management: a contingency approach (1).
Massachusetts:
Addison Wesley Publishing Company.
MLA Style
HELLRIEGEL, DON., JR, JOHN, W.,, SLOCUM,.
"Management: a contingency approach".
1
Massachusetts:
Addison Wesley Publishing Company,
1974.
Text.