APA

Howmiller R. P., . (1969). Studies on some inland waters of the Galapagos. : .

Chicago

Howmiller Richard P, . 1969. Studies on some inland waters of the Galapagos. : .

Harvard

Howmiller R. P., . (1969). Studies on some inland waters of the Galapagos. : .

MLA

Howmiller Richard P, . Studies on some inland waters of the Galapagos. : . 1969.