Cita APA (7a ed.)

Martin, A. (2012). Get it across loud and clear: A speaker's practical guide to preparation and delivery. Authentic Media.

Cita Chicago Style (17a ed.)

Martin, Ali. Get It Across Loud and Clear: A Speaker's Practical Guide to Preparation and Delivery. Crownhill, Milton Keynes: Authentic Media, 2012.

Cita MLA (8a ed.)

Martin, Ali. Get It Across Loud and Clear: A Speaker's Practical Guide to Preparation and Delivery. Authentic Media, 2012.