Cita APA (7a ed.)
Skeaping, J. R. (1952). The big tree of Mexico. Turnstile Press.
Cita Chicago Style (17a ed.)
Skeaping, John Rattenbury. The Big Tree of Mexico. London: Turnstile Press, 1952.
Cita MLA (9a ed.)
Skeaping, John Rattenbury. The Big Tree of Mexico. Turnstile Press, 1952.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.