Cita APA

Hartmann, H. T., & Beutel, J. A. (1981). Propagation of temperate-zone fruit plants. California: University of California.

Citación estilo Chicago

Hartmann, Hudson T., y James A. Beutel. Propagation of Temperate-zone Fruit Plants. California: University of California, 1981.

Cita MLA

Hartmann, Hudson T., y James A. Beutel. Propagation of Temperate-zone Fruit Plants. California: University of California, 1981.