APA

Cropper C. L. e. a., . (1949). Book-keeping and accounts: A textbook for students. : Macdonald & Evans, London.

Chicago

Cropper Cuthbert L et al, . 1949. Book-keeping and accounts: A textbook for students. : Macdonald & Evans, London.

Harvard

Cropper C. L. e. a., . (1949). Book-keeping and accounts: A textbook for students. : Macdonald & Evans, London.

MLA

Cropper Cuthbert L et al, . Book-keeping and accounts: A textbook for students. : Macdonald & Evans, London. 1949.