Cita APA (7a ed.)

Hubbard, H. V., & Kimball, T. (1917). An introduction to the study of landscape design. Macmillan.

Cita Chicago Style (17a ed.)

Hubbard, Henry Vincent, y Theodora Kimball. An Introduction to the Study of Landscape Design. New York: Macmillan, 1917.

Cita MLA (9a ed.)

Hubbard, Henry Vincent, y Theodora Kimball. An Introduction to the Study of Landscape Design. Macmillan, 1917.