APA

Punithalingam E., . (1974). Studies on Sphaeropsidales in Culture. II. : .

Chicago

Punithalingam E, . 1974. Studies on Sphaeropsidales in Culture. II. : .

Harvard

Punithalingam E., . (1974). Studies on Sphaeropsidales in Culture. II. : .

MLA

Punithalingam E, . Studies on Sphaeropsidales in Culture. II. : . 1974.