APA (7th ed.) Citation

Walters, A. H. (1973). Ecology, food and civilisation. Charles Knight.

Chicago Style (17th ed.) Citation

Walters, A. Harry. Ecology, Food and Civilisation. London: Charles Knight, 1973.

MLA (9th ed.) Citation

Walters, A. Harry. Ecology, Food and Civilisation. Charles Knight, 1973.

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