APA (7th ed.) Citation

Cordon Bleu Cookery School (London, England), Downes, M., & Hume, R. (1970). Party cooking. B.P.C. Publishing Ltd.

Chicago Style (17th ed.) Citation

Cordon Bleu Cookery School (London, England), Muriel Downes, and Rosemary Hume. Party Cooking. London (49 Poland St., W1A 2LG): B.P.C. Publishing Ltd, 1970.

MLA (8th ed.) Citation

Cordon Bleu Cookery School (London, England), et al. Party Cooking. B.P.C. Publishing Ltd, 1970.