APA (7th ed.) Citation

Gutierrez, E. R. The two-level atom under an arbitrary field.

Chicago Style (17th ed.) Citation

Gutierrez, Edgardo R. The Two-level Atom Under an Arbitrary Field.

MLA (9th ed.) Citation

Gutierrez, Edgardo R. The Two-level Atom Under an Arbitrary Field.

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