Cita APA (7a ed.)

Everard, B., Morley, B. D., Stearn, W. T., & Green, P. S. (1974). Wild flowers of the world. Octopus Books.

Cita Chicago Style (17a ed.)

Everard, Barbara, Brian D. Morley, William T. Stearn, y Peter S. Green. Wild Flowers of the World. London: Octopus Books, 1974.

Cita MLA (9a ed.)

Everard, Barbara, et al. Wild Flowers of the World. Octopus Books, 1974.