Cita APA (7th ed.)

Hicklenton, P. R. (1988). CO2 enrichment in the greenhouse: Principles and practice. Timber.

Cita Chicago (17th ed.)

Hicklenton, Peter R. CO2 Enrichment in the Greenhouse: Principles and Practice. Portland: Timber, 1988.

Cita MLA (9th ed.)

Hicklenton, Peter R. CO2 Enrichment in the Greenhouse: Principles and Practice. Timber, 1988.