Cita APA (7th ed.)

Watterson, R. L. (1965). Laboratory studies of chick and pig embryos. Burgess Publishing.

Cita Chicago (17th ed.)

Watterson, Ray L. Laboratory Studies of Chick and Pig Embryos. Minneapolis, Minn: Burgess Publishing, 1965.

Cita MLA (9th ed.)

Watterson, Ray L. Laboratory Studies of Chick and Pig Embryos. Burgess Publishing, 1965.