APA (7th ed.) Citation

Funk, D. T. (1978). Genetics of black walnut ([Slightly rev. Apr. 1978.].). Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Funk, David T. Genetics of Black Walnut. [Slightly rev. Apr. 1978.]. [Washington]: Dept. of Agriculture, Forest Service, 1978.

MLA (9th ed.) Citation

Funk, David T. Genetics of Black Walnut. [Slightly rev. Apr. 1978.]. Dept. of Agriculture, Forest Service, 1978.