Cita APA (7a ed.)

Laker, I. A., & Berktay, Y. The London Cigarette Card Company's trade card issues catalogue: Compiled by Ian A. Laker and Y Berktay. The London Cigarette Card Co., Ltd.

Cita Chicago Style (17a ed.)

Laker, Ian A., y Y. Berktay. The London Cigarette Card Company's Trade Card Issues Catalogue: Compiled by Ian A. Laker and Y Berktay. Somerton, Somerset: The London Cigarette Card Co., Ltd.

Cita MLA (8a ed.)

Laker, Ian A., y Y. Berktay. The London Cigarette Card Company's Trade Card Issues Catalogue: Compiled by Ian A. Laker and Y Berktay. The London Cigarette Card Co., Ltd.