APA (7th ed.) Citation

Unwin, P. (1972). The publishing Unwins / by Philip Unwin. Heinemann.

Chicago Style (17th ed.) Citation

Unwin, Philip. The Publishing Unwins / by Philip Unwin. Heinemann, 1972.

MLA (9th ed.) Citation

Unwin, Philip. The Publishing Unwins / by Philip Unwin. Heinemann, 1972.

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