APA (7th ed.) Citation

Hallez, P., & Gravier, C. (1913). Polyclades et triclades maricoles. Masson.

Chicago Style (17th ed.) Citation

Hallez, Paul, and Charles Gravier. Polyclades Et Triclades Maricoles. Paris: Masson, 1913.

MLA (9th ed.) Citation

Hallez, Paul, and Charles Gravier. Polyclades Et Triclades Maricoles. Masson, 1913.

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