APA (7th ed.) Citation

Halchin, L. E. (2018). Presidential travel: Policy and costs ([Library of Congress public edition].). Congressional Research Service.

Chicago Style (17th ed.) Citation

Halchin, L. Elaine. Presidential Travel: Policy and Costs. [Library of Congress public edition]. [Washington, D.C.]: Congressional Research Service, 2018.

MLA (8th ed.) Citation

Halchin, L. Elaine. Presidential Travel: Policy and Costs. [Library of Congress public edition]. Congressional Research Service, 2018.