APA (7th ed.) Citation

Spicer, W. C. &. K. (1961). Pinus contorta var. latifolia. University of Michigan Herbarium Catalog Collection.

Chicago Style (17th ed.) Citation

Spicer, W.J. Cody & K.W. Pinus Contorta Var. Latifolia. University of Michigan Herbarium Catalog Collection, 1961.

MLA (9th ed.) Citation

Spicer, W.J. Cody & K.W. Pinus Contorta Var. Latifolia. University of Michigan Herbarium Catalog Collection, 1961.

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