APA (7th ed.) Citation

Gould, J., & Sitwell, S. (1948). Tropical birds. B.T. Batsford.

Chicago Style (17th ed.) Citation

Gould, John, and Sacheverell Sitwell. Tropical Birds. London ; New York: B.T. Batsford, 1948.

MLA (9th ed.) Citation

Gould, John, and Sacheverell Sitwell. Tropical Birds. B.T. Batsford, 1948.