APA (7th ed.) Citation

Hearne, T., Burkel, D., & East, B. (1980). Care for your goldfish. Collins.

Chicago Style (17th ed.) Citation

Hearne, Tina, Dietrich Burkel, and Baz East. Care for Your Goldfish. London: Collins, 1980.

MLA (8th ed.) Citation

Hearne, Tina, et al. Care for Your Goldfish. Collins, 1980.