APA (7th ed.) Citation

Cropper, L. (1952). Key to higher book-keeping and accounts / by L. Cropper (7th ed.). Macdonald.

Chicago Style (17th ed.) Citation

Cropper, L. Key to Higher Book-keeping and Accounts / by L. Cropper. 7th ed. Macdonald, 1952.

MLA (9th ed.) Citation

Cropper, L. Key to Higher Book-keeping and Accounts / by L. Cropper. 7th ed. Macdonald, 1952.

Warning: These citations may not always be 100% accurate.