APA (7th ed.) Citation

Drewes, P., & Heath, D. B. (1978). The use of solar energy in curing tobacco. [publisher not identified].

Chicago Style (17th ed.) Citation

Drewes, P., and D. B. Heath. The Use of Solar Energy in Curing Tobacco. [Ontario?]: [publisher not identified], 1978.

MLA (9th ed.) Citation

Drewes, P., and D. B. Heath. The Use of Solar Energy in Curing Tobacco. [publisher not identified], 1978.