APA (7th ed.) Citation

Haynald, L., & Papp, M. (1881). Ceratophyllum Pentacanthum. Typ. Heredum Nic. K. Papp.

Chicago Style (17th ed.) Citation

Haynald, Lajos, and Miklós Papp. Ceratophyllum Pentacanthum. Claudiopoli: Typ. Heredum Nic. K. Papp, 1881.

MLA (9th ed.) Citation

Haynald, Lajos, and Miklós Papp. Ceratophyllum Pentacanthum. Typ. Heredum Nic. K. Papp, 1881.

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