APA

Halchin L. E., Library of Congress, . (2018). Overview of the federal procurement process and resources. [Washington, D.C.]: Congressional Research Service.

Chicago

Halchin L Elaine, Library of Congress, . 2018. Overview of the federal procurement process and resources. [Washington, D.C.]: Congressional Research Service.

Harvard

Halchin L. E., Library of Congress, . (2018). Overview of the federal procurement process and resources. [Washington, D.C.]: Congressional Research Service.

MLA

Halchin L Elaine, Library of Congress, . Overview of the federal procurement process and resources. [Washington, D.C.]: Congressional Research Service. 2018.