APA (7th ed.) Citation

Luker, H. S., & Luker, A. J. (1971). Laboratory exercises in zoology. Butterworths.

Chicago Style (17th ed.) Citation

Luker, H. S., and A. J. Luker. Laboratory Exercises in Zoology. London: Butterworths, 1971.

MLA (8th ed.) Citation

Luker, H. S., and A. J. Luker. Laboratory Exercises in Zoology. Butterworths, 1971.

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