APA (7th ed.) Citation

Fretwell, B. (1989). Clematis. Collins.

Chicago Style (17th ed.) Citation

Fretwell, Barry. Clematis. London u.a: Collins, 1989.

MLA (9th ed.) Citation

Fretwell, Barry. Clematis. Collins, 1989.

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