Cita APA

Watkins, P. M., & Chang-Van Horn, D. Biology for living / Patricia Mullen Watkins, Dorothy Chang-Van Horn, Howard E. Kron. Morristown, New Jersey : Silver Burdett.

Citación estilo Chicago

Watkins, Patricia Mullen, y Dorothy Chang-Van Horn. Biology for Living / Patricia Mullen Watkins, Dorothy Chang-Van Horn, Howard E. Kron. Morristown, New Jersey : Silver Burdett.

Cita MLA

Watkins, Patricia Mullen, y Dorothy Chang-Van Horn. Biology for Living / Patricia Mullen Watkins, Dorothy Chang-Van Horn, Howard E. Kron. Morristown, New Jersey : Silver Burdett.