APA (7th ed.) Citation

Clausen, R. T. (1959). Sedum of the trans-Mexican volcanic belt: An exposition of taxonomic methods. Comstock Pub. Associates.

Chicago Style (17th ed.) Citation

Clausen, Robert Theodore. Sedum of the Trans-Mexican Volcanic Belt: An Exposition of Taxonomic Methods. Ithaca, N.Y.: Comstock Pub. Associates, 1959.

MLA (9th ed.) Citation

Clausen, Robert Theodore. Sedum of the Trans-Mexican Volcanic Belt: An Exposition of Taxonomic Methods. Comstock Pub. Associates, 1959.