Cita APA (7th ed.)

Greulach, V. A. (1973). Plant function and structure. Macmillan.

Cita Chicago (17th ed.)

Greulach, Victor A. Plant Function and Structure. New York: Macmillan, 1973.

Cita MLA (9th ed.)

Greulach, Victor A. Plant Function and Structure. Macmillan, 1973.