APA (7th ed.) Citation

Gosler, A. (1987). Sexual dimorphism in the summer bill-length of the Great Tit. Nederlandse Ornithologische Unie.

Chicago Style (17th ed.) Citation

Gosler, A. Sexual Dimorphism in the Summer Bill-length of the Great Tit. Nederlandse Ornithologische Unie, 1987.

MLA (9th ed.) Citation

Gosler, A. Sexual Dimorphism in the Summer Bill-length of the Great Tit. Nederlandse Ornithologische Unie, 1987.

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