APA (7th ed.) Citation

Hynninen, P. H. (1973). Tetrapyrrole pigments: Separation, isolation and some chemical aspects.

Chicago Style (17th ed.) Citation

Hynninen, Paavo H. Tetrapyrrole Pigments: Separation, Isolation and Some Chemical Aspects. Helsinki, 1973.

MLA (9th ed.) Citation

Hynninen, Paavo H. Tetrapyrrole Pigments: Separation, Isolation and Some Chemical Aspects. 1973.

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