APA (7th ed.) Citation

Michaud, G., & Richer, J. Horizontal branch stars as AmFm/HgMn stars.

Chicago Style (17th ed.) Citation

Michaud, G., and J. Richer. Horizontal Branch Stars as AmFm/HgMn Stars.

MLA (9th ed.) Citation

Michaud, G., and J. Richer. Horizontal Branch Stars as AmFm/HgMn Stars.

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