APA (7th ed.) Citation

Crawford, H. S., & Jennings, D. T. (1982). Relationships of birds and spruce budworms: Literature review and annotated bibliography. [publisher not identified].

Chicago Style (17th ed.) Citation

Crawford, Hewlette S., and Daniel T. Jennings. Relationships of Birds and Spruce Budworms: Literature Review and Annotated Bibliography. Washington, D.C. : Forest Service, U.S. Dept. of Agriculture: [publisher not identified], 1982.

MLA (9th ed.) Citation

Crawford, Hewlette S., and Daniel T. Jennings. Relationships of Birds and Spruce Budworms: Literature Review and Annotated Bibliography. [publisher not identified], 1982.