APA (7th ed.) Citation

Nicolai, J. (1987). A complete guide to finches. T.F.H Publications.

Chicago Style (17th ed.) Citation

Nicolai, Jurgen. A Complete Guide to Finches. England: T.F.H Publications, 1987.

MLA (9th ed.) Citation

Nicolai, Jurgen. A Complete Guide to Finches. T.F.H Publications, 1987.