Cita APA (7th ed.)

(1978). Spon's landscape price book. E. & F. N. Spon.

Cita Chicago (17th ed.)

Spon's Landscape Price Book. London: E. & F. N. Spon, 1978.

Cita MLA (9th ed.)

Spon's Landscape Price Book. E. & F. N. Spon, 1978.