APA (7th ed.) Citation

Soják, J. Two new American species of Potentilla (Rosaceae) (Notes on Potentilla XXIII.).

Chicago Style (17th ed.) Citation

Soják, Jiří. Two New American Species of Potentilla (Rosaceae) (Notes on Potentilla XXIII.).

MLA (9th ed.) Citation

Soják, Jiří. Two New American Species of Potentilla (Rosaceae) (Notes on Potentilla XXIII.).

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