APA (7th ed.) Citation

Fernández, F. M., & Castro, E. A. (1987). Hypervirial theorems. Springer-Verlag.

Chicago Style (17th ed.) Citation

Fernández, F. M., and E. A. Castro. Hypervirial Theorems. Berlin ; New York: Springer-Verlag, 1987.

MLA (9th ed.) Citation

Fernández, F. M., and E. A. Castro. Hypervirial Theorems. Springer-Verlag, 1987.