Cita APA (7a ed.)

Griffiths, D. (1967). Principles of herbage seed production (1st edition.). Welsh Plant Breeding Station.

Cita Chicago Style (17a ed.)

Griffiths, D.J. Principles of Herbage Seed Production. 1st edition. Aberystwyth: Welsh Plant Breeding Station, 1967.

Cita MLA (8a ed.)

Griffiths, D.J. Principles of Herbage Seed Production. 1st edition. Welsh Plant Breeding Station, 1967.