Cita APA (7a ed.)

Hitchcock, C. L., Cronquist, A., Giblin, D., Legler, B., Zika, P. F., & Olmstead, R. G. (2018). Flora of the Pacific Northwest: An illustrated manual (Second edition.). University of Washington Press.

Cita Chicago Style (17a ed.)

Hitchcock, C. Leo, Arthur Cronquist, David Giblin, Ben Legler, Peter F. Zika, y Richard G. Olmstead. Flora of the Pacific Northwest: An Illustrated Manual. Second edition. Seattle: University of Washington Press, 2018.

Cita MLA (8a ed.)

Hitchcock, C. Leo, et al. Flora of the Pacific Northwest: An Illustrated Manual. Second edition. University of Washington Press, 2018.