APA (7th ed.) Citation

Zinderen Bakker, E. M. v. (1956). South African pollen grains and spores. Balkema.

Chicago Style (17th ed.) Citation

Zinderen Bakker, Eduard M. van. South African Pollen Grains and Spores. Rotterdam: Balkema, 1956.

MLA (9th ed.) Citation

Zinderen Bakker, Eduard M. van. South African Pollen Grains and Spores. Balkema, 1956.