Cita APA (7a ed.)

Hernández, C. A. (1969). R, I photoelectric observations of ε Cra.

Cita Chicago Style (17a ed.)

Hernández, Carlos A. R, I Photoelectric Observations of ε Cra. 1969.

Cita MLA (8a ed.)

Hernández, Carlos A. R, I Photoelectric Observations of ε Cra. 1969.