Cita APA (7th ed.)
NOGGLE, G. R., & FRITZ, G. J. (1976). INTRODUCTORY PLANT PHUSIOLOGY. PRENTICE HALL.
Cita Chicago (17th ed.)
NOGGLE, G. RAY, i G. J. FRITZ. INTRODUCTORY PLANT PHUSIOLOGY. ENGLEWOOD CLIFFS: PRENTICE HALL, 1976.
Cita MLA (9th ed.)
NOGGLE, G. RAY, i G. J. FRITZ. INTRODUCTORY PLANT PHUSIOLOGY. PRENTICE HALL, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.