APA

Coole (Robert), . (1993). "Crisp, Clear Writing In One Hour". : .

Chicago

Coole (Robert), . 1993. "Crisp, Clear Writing In One Hour". : .

Harvard

Coole (Robert), . (1993). "Crisp, Clear Writing In One Hour". : .

MLA

Coole (Robert), . "Crisp, Clear Writing In One Hour". : . 1993.