APA

Morton C. V., Lellinger D. B., . (1966). The polypodiaceae subfamily asplenioideae in Venezuela. Bronx, New York: The New York Botanical Garden.

Chicago

Morton C V, Lellinger David B, . 1966. The polypodiaceae subfamily asplenioideae in Venezuela. Bronx, New York: The New York Botanical Garden.

Harvard

Morton C. V., Lellinger D. B., . (1966). The polypodiaceae subfamily asplenioideae in Venezuela. Bronx, New York: The New York Botanical Garden.

MLA

Morton C V, Lellinger David B, . The polypodiaceae subfamily asplenioideae in Venezuela. Bronx, New York: The New York Botanical Garden. 1966.