APA

Tulloss R. E., Ovrebo C. L. & Halling R. E. (1992). Studies on amanita (amanitaceae) from Andean Colombia. Bronx, New York: The New York Botanical Garden.

Chicago

Tulloss Rodham E, Ovrebo Clark L and Halling Roy E. 1992. Studies on amanita (amanitaceae) from Andean Colombia. Bronx, New York: The New York Botanical Garden.

Harvard

Tulloss R. E., Ovrebo C. L. and Halling R. E. (1992). Studies on amanita (amanitaceae) from Andean Colombia. Bronx, New York: The New York Botanical Garden.

MLA

Tulloss Rodham E, Ovrebo Clark L and Halling Roy E. Studies on amanita (amanitaceae) from Andean Colombia. Bronx, New York: The New York Botanical Garden. 1992.