APA Style

Bowersox, Donald J., Closs, David J., Helferich, Omar K.. (). . : .

Chicago Style

Bowersox, Donald J., Closs, David J., Helferich, Omar K.. . : , . .

MLA Style

Bowersox, Donald J., Closs, David J., Helferich, Omar K.. . : , . .

Turabian Style

Bowersox, Donald J., Closs, David J., Helferich, Omar K.. . : , . .