APA (7th ed.) Citation

Sheldon, D., & Blythe, G. (1990). The whales' song. London : Hutchinson.

Chicago Style (17th ed.) Citation

Sheldon, Dyan, and Gary Blythe. The Whales' Song. London : Hutchinson, 1990.

MLA (9th ed.) Citation

Sheldon, Dyan, and Gary Blythe. The Whales' Song. London : Hutchinson, 1990.

Warning: These citations may not always be 100% accurate.