APA (7th ed.) Citation

Southwood, M. S. (1987). The challenge (1. publ.). Book Guild.

Chicago Style (17th ed.) Citation

Southwood, Malcolm S. The Challenge. 1. publ. Lewes, Sussex: Book Guild, 1987.

MLA (9th ed.) Citation

Southwood, Malcolm S. The Challenge. 1. publ. Book Guild, 1987.

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