Cita APA (7th ed.)

Dirr, M. A., & Heuser, C. W. (1987). The reference manual of woody plant propagation: From seed to tissue culture. Varsity.

Cita Chicago (17th ed.)

Dirr, Michael A., i Charles W. Heuser. The Reference Manual of Woody Plant Propagation: From Seed to Tissue Culture. Atlanta: Varsity, 1987.

Cita MLA (9th ed.)

Dirr, Michael A., i Charles W. Heuser. The Reference Manual of Woody Plant Propagation: From Seed to Tissue Culture. Varsity, 1987.