Cita APA

Spillard, P. (1975). Sales promotion (2nd ed.). Business books.

Citación estilo Chicago

Spillard, P. Sales Promotion. 2nd ed. Business books, 1975.

Cita MLA

Spillard, P. Sales Promotion. 2nd ed. Business books, 1975.

Warning: These citations may not always be 100% accurate.