Cita APA

Foster, A. S. 1., & Gifford, E. M. (1959). Comparative morphology of vascular plants. W. H. Freeman.

Citación estilo Chicago

Foster, Adriance S. 1901-1973., and Ernest M. Gifford. Comparative Morphology of Vascular Plants. San Francisco: W. H. Freeman, 1959.

Cita MLA

Foster, Adriance S. 1901-1973., and Ernest M. Gifford. Comparative Morphology of Vascular Plants. San Francisco: W. H. Freeman, 1959.