APA (7th ed.) Citation

Southwood, R., & Leston, D. (1959). Land and water bugs of the British Isles. F. Warne.

Chicago Style (17th ed.) Citation

Southwood, Richard, and Dennis Leston. Land and Water Bugs of the British Isles. London, New York: F. Warne, 1959.

MLA (9th ed.) Citation

Southwood, Richard, and Dennis Leston. Land and Water Bugs of the British Isles. F. Warne, 1959.