Cita APA (7th ed.)

Johansen, D. A. (1940). Plant microtechnique. McGraw-Hill Book Company.

Cita Chicago (17th ed.)

Johansen, Donald Alexander. Plant Microtechnique. New York and London: McGraw-Hill Book Company, 1940.

Cita MLA (9th ed.)

Johansen, Donald Alexander. Plant Microtechnique. McGraw-Hill Book Company, 1940.