APA

Spjut R. W., . (1994). A systematic treatment of fruit types. Bronx, New York: The New York Botanical Garden.

Chicago

Spjut Richard W, . 1994. A systematic treatment of fruit types. Bronx, New York: The New York Botanical Garden.

Harvard

Spjut R. W., . (1994). A systematic treatment of fruit types. Bronx, New York: The New York Botanical Garden.

MLA

Spjut Richard W, . A systematic treatment of fruit types. Bronx, New York: The New York Botanical Garden. 1994.