APA Style

Radford, A, E. et al ([1964]). Guide to the vascular flora of the Carolinas,with distribution in the Southeastern States, . Chapel Hill, N.C.,: Book Exchange, University of North Carolina.

MLA Style

Radford, Albert, E.. et al. "Guide to the vascular flora of the Carolinas,with distribution in the Southeastern States,". Chapel Hill, N.C.,: Book Exchange, University of North Carolina, [1964]. .