APA

Mcmillan (Nora F), . (1977). The Observers Book Of Seashells Of The British Isles. : .

Chicago

Mcmillan (Nora F), . 1977. The Observers Book Of Seashells Of The British Isles. : .

Harvard

Mcmillan (Nora F), . (1977). The Observers Book Of Seashells Of The British Isles. : .

MLA

Mcmillan (Nora F), . The Observers Book Of Seashells Of The British Isles. : . 1977.