APA (7th ed.) Citation

Ola, S. A. (1983). Tropical soils of Nigeria in engineering practice. A.A. Balkema.

Chicago Style (17th ed.) Citation

Ola, S. A. Tropical Soils of Nigeria in Engineering Practice. Rotterdam: A.A. Balkema, 1983.

MLA (9th ed.) Citation

Ola, S. A. Tropical Soils of Nigeria in Engineering Practice. A.A. Balkema, 1983.

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