APA (7th ed.) Citation

Sample, G. (1996). Bird songs and calls: Of Britain and Northern Europe. Harper Collins.

Chicago Style (17th ed.) Citation

Sample, Geoff. Bird Songs and Calls: Of Britain and Northern Europe. London: Harper Collins, 1996.

MLA (8th ed.) Citation

Sample, Geoff. Bird Songs and Calls: Of Britain and Northern Europe. Harper Collins, 1996.