APA (7th ed.) Citation

Duvoisin, R. (1973). Petunia / by R. Duvoisin. Collins.

Chicago Style (17th ed.) Citation

Duvoisin, R. Petunia / by R. Duvoisin. Collins, 1973.

MLA (9th ed.) Citation

Duvoisin, R. Petunia / by R. Duvoisin. Collins, 1973.

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