APA Style

H., R, A., Buskirk,Ph.D, R, H. (1978). Textbook of salesmanship . United States Of America: McGraw-Hill.

MLA Style

H., Russell,Frederica, A..Beach,Frank., Buskirk,Ph.D, Richard, H.. "Textbook of salesmanship". United States Of America: McGraw-Hill, 1978. Text.