APA (7th ed.) Citation

Goodspeed, T. H., & Davidson, P. (1918). Controlled pollination in Nicotiana. University of California Press.

Chicago Style (17th ed.) Citation

Goodspeed, T. H., and Pirie Davidson. Controlled Pollination in Nicotiana. Berkeley: University of California Press, 1918.

MLA (9th ed.) Citation

Goodspeed, T. H., and Pirie Davidson. Controlled Pollination in Nicotiana. University of California Press, 1918.