APA (7th ed.) Citation

Goodman, G. J. (1958). Spring flora of central Oklahoma. University of Oklahoma Duplicating Service.

Chicago Style (17th ed.) Citation

Goodman, George J. Spring Flora of Central Oklahoma. Norman: University of Oklahoma Duplicating Service, 1958.

MLA (9th ed.) Citation

Goodman, George J. Spring Flora of Central Oklahoma. University of Oklahoma Duplicating Service, 1958.