APA (7th ed.) Citation

Orr. (2013). When to Hireâ€"or Not Hireâ€"a Consultant (1.). Apress.

Chicago Style (17th ed.) Citation

Orr. When to Hireâ€"or Not Hireâ€"a Consultant. 1. Apress, 2013.

MLA (8th ed.) Citation

Orr. When to Hireâ€"or Not Hireâ€"a Consultant. 1. Apress, 2013.

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