APA (7th ed.) Citation

Steward, F. C., Moreno, U., & Roca, W. M. (1981). Growth, form and composition of potato plants as affected by environment. Academic Press.

Chicago Style (17th ed.) Citation

Steward, F. C., Ulises Moreno, and William M. Roca. Growth, Form and Composition of Potato Plants as Affected by Environment. London: Academic Press, 1981.

MLA (9th ed.) Citation

Steward, F. C., et al. Growth, Form and Composition of Potato Plants as Affected by Environment. Academic Press, 1981.