Cita APA (7a ed.)
Greulach, V. A. (1976). Plants: And introduction to modern botany (3a. ed.). John Wiley.
Cita Chicago Style (17a ed.)
Greulach, Victor A. Plants: And Introduction to Modern Botany. 3a. ed. New York: John Wiley, 1976.
Cita MLA (9a ed.)
Greulach, Victor A. Plants: And Introduction to Modern Botany. 3a. ed. John Wiley, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.