APA (7th ed.) Citation

Não informado. (1950). Alex L. du Toit Memorial Lectures. Geological Society of South Africa.

Chicago Style (17th ed.) Citation

Não informado. Alex L. Du Toit Memorial Lectures. Johannesburg, Africa do Sul: Geological Society of South Africa, 1950.

MLA (8th ed.) Citation

Não informado. Alex L. Du Toit Memorial Lectures. Geological Society of South Africa, 1950.

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