Nicotiana : procedures for experimental use.

MLA

Durbin, R. D. Nicotiana : Procedures for Experimental Use. Washington: US Department of Agriculture, 1979.

APA

Durbin, R. D. (1979). Nicotiana : procedures for experimental use. Washington: US Department of Agriculture.

Chicago

Durbin, R. D. ed. Nicotiana: Procedures for Experimental Use. Washington: US Department of Agriculture, 1979.