Cita APA (7a ed.)

Wolfe, R. (2016). Speedmailing: Turn your work enemy into your best work tool (1st.). Pearson.

Cita Chicago Style (17a ed.)

Wolfe, Richard. Speedmailing: Turn Your Work Enemy into Your Best Work Tool. 1st. Harlow, United Kingdom: Pearson, 2016.

Cita MLA (8a ed.)

Wolfe, Richard. Speedmailing: Turn Your Work Enemy into Your Best Work Tool. 1st. Pearson, 2016.