APA (7th ed.) Citation

Ley, W. (1968). Dawn of zoology. Prentice-Hall.

Chicago Style (17th ed.) Citation

Ley, Willy. Dawn of Zoology. Englewood Cliffs, N.J: Prentice-Hall, 1968.

MLA (9th ed.) Citation

Ley, Willy. Dawn of Zoology. Prentice-Hall, 1968.

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