APA

Sharp A. J., Cruz H. & Eckel P. M. (1994). The moss flora of Mexico. New York, New York, United States: The New York Botanical Garden.

Chicago

Sharp Aron J, Cruz Howard and Eckel Patricia M. 1994. The moss flora of Mexico. New York, New York, United States: The New York Botanical Garden.

Harvard

Sharp A. J., Cruz H. and Eckel P. M. (1994). The moss flora of Mexico. New York, New York, United States: The New York Botanical Garden.

MLA

Sharp Aron J, Cruz Howard and Eckel Patricia M. The moss flora of Mexico. New York, New York, United States: The New York Botanical Garden. 1994.