APA Citation

Ulmer, T., & MacDougal, J. M. (2004). Passiflora: Passion flowers of the world. Portland: Timber Press.

Chicago Style Citation

Ulmer, Torsten., and John Mochrie MacDougal. Passiflora: Passion Flowers of the World. Portland: Timber Press, 2004.

MLA Citation

Ulmer, Torsten., and John Mochrie MacDougal. Passiflora: Passion Flowers of the World. Portland: Timber Press, 2004.

Warning: These citations may not always be 100% accurate.