APA

Hobbs H. H., Hobbs H. H. & Daniel M. A. (1977). Typhlatya galapagensis Monod and Cals. : .

Chicago

Hobbs Horton H, Hobbs H H and Daniel Margaret A. 1977. Typhlatya galapagensis Monod and Cals. : .

Harvard

Hobbs H. H., Hobbs H. H. and Daniel M. A. (1977). Typhlatya galapagensis Monod and Cals. : .

MLA

Hobbs Horton H, Hobbs H H and Daniel Margaret A. Typhlatya galapagensis Monod and Cals. : . 1977.