Clark, D. G., & Curtis, O. F. (1950). An introduction to plant physiology (2nd ed.). McGraw-Hill Book Company.
Citazione stile Chigago Style (17a edizione)Clark, Daniel G., e Otis F. Curtis. An Introduction to Plant Physiology. 2nd ed. New York: McGraw-Hill Book Company, 1950.
Citatione MLA (9a ed.)Clark, Daniel G., e Otis F. Curtis. An Introduction to Plant Physiology. 2nd ed. McGraw-Hill Book Company, 1950.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.