APA (7th ed.) Citation

Bell, G., & Verney, J. (1953). Black marigolds. Collins.

Chicago Style (17th ed.) Citation

Bell, Gillian, and John Verney. Black Marigolds. London: Collins, 1953.

MLA (9th ed.) Citation

Bell, Gillian, and John Verney. Black Marigolds. Collins, 1953.