APA Edition Citation

Wallis, J. Practical zoology for advanced level and inter-mediate students. William heinemann.

Chicago Edition Citation

Wallis, J. Practical Zoology for Advanced Level and Inter-mediate Students. London: William heinemann.

MLA Edition Citation

Wallis, J. Practical Zoology for Advanced Level and Inter-mediate Students. William heinemann.

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