APA Style

Robert R, Blake. (). GUIDEPOSTS FOR EFFECTIVE SALESMANSHIP . : .

Chicago Style

Robert R, Blake. GUIDEPOSTS FOR EFFECTIVE SALESMANSHIP. : , . Text.

MLA Style

Robert R, Blake. GUIDEPOSTS FOR EFFECTIVE SALESMANSHIP. : , . Text.

Turabian Style

Robert R, Blake. GUIDEPOSTS FOR EFFECTIVE SALESMANSHIP. : , . Print.